20105561287

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1\times {\mathrm{97499}}^1$

素因数の和:97926

約数の個数: 16

約数和(自身を含む): 23306400000

約数和(自身を除く): 3200838713

約数列:

[1, 7, 89, 331, 623, 2317, 29459, 97499, 206213, 682493, 8677411, 32272169, 60741877, 225905183, 2872223041, 20105561287]

約数ペア:

[(1, 20105561287), (7, 2872223041), (89, 225905183), (331, 60741877), (623, 32272169), (2317, 8677411), (29459, 682493), (97499, 206213)]