20178518978

素因数分解:

$2^1\times {\mathrm{317}}^1\times {\mathrm{7043}}^1\times {\mathrm{4519}}^1$

素因数の和:11881

約数の個数: 16

約数和(自身を含む): 30374291520

約数和(自身を除く): 10195772542

約数列:

[1, 2, 317, 634, 4519, 7043, 9038, 14086, 1432523, 2232631, 2865046, 4465262, 31827317, 63654634, 10089259489, 20178518978]

約数ペア:

[(1, 20178518978), (2, 10089259489), (317, 63654634), (634, 31827317), (4519, 4465262), (7043, 2865046), (9038, 2232631), (14086, 1432523)]