20961208799

素因数分解:

${\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{887}}^1\times {\mathrm{1283}}^1$

素因数の和:2446

約数の個数: 16

約数和(自身を含む): 21317029632

約数和(自身を除く): 355820833

約数列:

[1, 113, 163, 887, 1283, 18419, 100231, 144581, 144979, 209129, 1138021, 16337653, 23631577, 128596373, 185497423, 20961208799]

約数ペア:

[(1, 20961208799), (113, 185497423), (163, 128596373), (887, 23631577), (1283, 16337653), (18419, 1138021), (100231, 209129), (144581, 144979)]