20408068792

素因数分解:

$2^3\times {\mathrm{2309}}^1\times {\mathrm{1104811}}^1$

素因数の和:1107126

約数の個数: 16

約数和(自身を含む): 38281735800

約数和(自身を除く): 17873667008

約数列:

[1, 2, 4, 8, 2309, 4618, 9236, 18472, 1104811, 2209622, 4419244, 8838488, 2551008599, 5102017198, 10204034396, 20408068792]

約数ペア:

[(1, 20408068792), (2, 10204034396), (4, 5102017198), (8, 2551008599), (2309, 8838488), (4618, 4419244), (9236, 2209622), (18472, 1104811)]