20149779

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2677}}^1$

素因数の和:2886

約数の個数: 16

約数和(自身を含む): 29093792

約数和(自身を除く): 8944013

約数列:

[1, 3, 13, 39, 193, 579, 2509, 2677, 7527, 8031, 34801, 104403, 516661, 1549983, 6716593, 20149779]

約数ペア:

[(1, 20149779), (3, 6716593), (13, 1549983), (39, 516661), (193, 104403), (579, 34801), (2509, 8031), (2677, 7527)]