20103979

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{701}}^1$

素因数の和:966

約数の個数: 16

約数和(自身を含む): 24463296

約数和(自身を除く): 4359317

約数列:

[1, 7, 17, 119, 241, 701, 1687, 4097, 4907, 11917, 28679, 83419, 168941, 1182587, 2871997, 20103979]

約数ペア:

[(1, 20103979), (7, 2871997), (17, 1182587), (119, 168941), (241, 83419), (701, 28679), (1687, 11917), (4097, 4907)]