20702930518

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{28674419}}^1$

素因数の和:28674459

約数の個数: 12

約数和(自身を含む): 32774862060

約数和(自身を除く): 12071931542

約数列:

[1, 2, 19, 38, 361, 722, 28674419, 57348838, 544813961, 1089627922, 10351465259, 20702930518]

約数ペア:

[(1, 20702930518), (2, 10351465259), (19, 1089627922), (38, 544813961), (361, 57348838), (722, 28674419)]