20479968019

素因数分解:

$7^2\times {\mathrm{3229}}^1\times {\mathrm{129439}}^1$

素因数の和:132682

約数の個数: 12

約数和(自身を含む): 23831198400

約数和(自身を除く): 3351230381

約数列:

[1, 7, 49, 3229, 22603, 129439, 158221, 906073, 6342511, 417958531, 2925709717, 20479968019]

約数ペア:

[(1, 20479968019), (7, 2925709717), (49, 417958531), (3229, 6342511), (22603, 906073), (129439, 158221)]