20170771628

素因数分解:

$2^2\times 7^1\times {\mathrm{720384701}}^1$

素因数の和:720384712

約数の個数: 12

約数和(自身を含む): 40341543312

約数和(自身を除く): 20170771684

約数列:

[1, 2, 4, 7, 14, 28, 720384701, 1440769402, 2881538804, 5042692907, 10085385814, 20170771628]

約数ペア:

[(1, 20170771628), (2, 10085385814), (4, 5042692907), (7, 2881538804), (14, 1440769402), (28, 720384701)]