20136389

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2801}}^1$

素因数の和:2900

約数の個数: 16

約数和(自身を含む): 25105920

約数和(自身を除く): 4969531

約数列:

[1, 7, 13, 79, 91, 553, 1027, 2801, 7189, 19607, 36413, 221279, 254891, 1548953, 2876627, 20136389]

約数ペア:

[(1, 20136389), (7, 2876627), (13, 1548953), (79, 254891), (91, 221279), (553, 36413), (1027, 19607), (2801, 7189)]