20177887784

素因数分解:

$2^3\times {\mathrm{3391}}^1\times {\mathrm{743803}}^1$

素因数の和:747200

約数の個数: 16

約数和(自身を含む): 37844747520

約数和(自身を除く): 17666859736

約数列:

[1, 2, 4, 8, 3391, 6782, 13564, 27128, 743803, 1487606, 2975212, 5950424, 2522235973, 5044471946, 10088943892, 20177887784]

約数ペア:

[(1, 20177887784), (2, 10088943892), (4, 5044471946), (8, 2522235973), (3391, 5950424), (6782, 2975212), (13564, 1487606), (27128, 743803)]