20561609

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{1063}}^1$

素因数の和:1144

約数の個数: 12

約数和(自身を含む): 22241856

約数和(自身を除く): 1680247

約数列:

[1, 23, 29, 667, 841, 1063, 19343, 24449, 30827, 709021, 893983, 20561609]

約数ペア:

[(1, 20561609), (23, 893983), (29, 709021), (667, 30827), (841, 24449), (1063, 19343)]