20951608

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{44389}}^1$

素因数の和:44454

約数の個数: 16

約数和(自身を含む): 39951000

約数和(自身を除く): 18999392

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 44389, 88778, 177556, 355112, 2618951, 5237902, 10475804, 20951608]

約数ペア:

[(1, 20951608), (2, 10475804), (4, 5237902), (8, 2618951), (59, 355112), (118, 177556), (236, 88778), (472, 44389)]