20187713

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1361}}^1$

素因数の和:1544

約数の個数: 16

約数和(自身を含む): 25017216

約数和(自身を除く): 4829503

約数列:

[1, 7, 13, 91, 163, 1141, 1361, 2119, 9527, 14833, 17693, 123851, 221843, 1552901, 2883959, 20187713]

約数ペア:

[(1, 20187713), (7, 2883959), (13, 1552901), (91, 221843), (163, 123851), (1141, 17693), (1361, 14833), (2119, 9527)]