20219510

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{11171}}^1$

素因数の和:11359

約数の個数: 16

約数和(自身を含む): 36599472

約数和(自身を除く): 16379962

約数列:

[1, 2, 5, 10, 181, 362, 905, 1810, 11171, 22342, 55855, 111710, 2021951, 4043902, 10109755, 20219510]

約数ペア:

[(1, 20219510), (2, 10109755), (5, 4043902), (10, 2021951), (181, 111710), (362, 55855), (905, 22342), (1810, 11171)]