20792250871

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1\times {\mathrm{72167}}^1$

素因数の和:72774

約数の個数: 16

約数和(自身を含む): 24109885440

約数和(自身を除く): 3317634569

約数列:

[1, 7, 79, 521, 553, 3647, 41159, 72167, 288113, 505169, 5701193, 37599007, 39908351, 263193049, 2970321553, 20792250871]

約数ペア:

[(1, 20792250871), (7, 2970321553), (79, 263193049), (521, 39908351), (553, 37599007), (3647, 5701193), (41159, 505169), (72167, 288113)]