20490627

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{3067}}^1$

素因数の和:3218

約数の個数: 16

約数和(自身を含む): 29158272

約数和(自身を除く): 8667645

約数列:

[1, 3, 17, 51, 131, 393, 2227, 3067, 6681, 9201, 52139, 156417, 401777, 1205331, 6830209, 20490627]

約数ペア:

[(1, 20490627), (3, 6830209), (17, 1205331), (51, 401777), (131, 156417), (393, 52139), (2227, 9201), (3067, 6681)]