20126665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{739}}^1$

素因数の和:1176

約数の個数: 16

約数和(自身を含む): 26107200

約数和(自身を除く): 5980535

約数列:

[1, 5, 13, 65, 419, 739, 2095, 3695, 5447, 9607, 27235, 48035, 309641, 1548205, 4025333, 20126665]

約数ペア:

[(1, 20126665), (5, 4025333), (13, 1548205), (65, 309641), (419, 48035), (739, 27235), (2095, 9607), (3695, 5447)]