Abundant Number Checker

σ(n) > 2n?

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About Abundant Number Checker

An abundant number checker testing if σ(n)−n > n, equivalently σ(n) > 2n. The smallest abundant number is 12 (divisors 1+2+3+4+6=16>12). Shows the abundance σ(n)−2n, all divisors, and classifies as abundant/perfect/deficient. Client-side.

Abundant Number Checker Features

  • Abundance test
  • Divisor sum
  • Classification
  • Divisor list
  • Abundance value

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