20915283

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{599}}^1$

素因数の和:818

約数の個数: 16

約数和(自身を含む): 28454400

約数和(自身を除く): 7539117

約数列:

[1, 3, 103, 113, 309, 339, 599, 1797, 11639, 34917, 61697, 67687, 185091, 203061, 6971761, 20915283]

約数ペア:

[(1, 20915283), (3, 6971761), (103, 203061), (113, 185091), (309, 67687), (339, 61697), (599, 34917), (1797, 11639)]