20518797

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{40471}}^1$

素因数の和:40500

約数の個数: 12

約数和(自身を含む): 29625504

約数和(自身を除く): 9106707

約数列:

[1, 3, 13, 39, 169, 507, 40471, 121413, 526123, 1578369, 6839599, 20518797]

約数ペア:

[(1, 20518797), (3, 6839599), (13, 1578369), (39, 526123), (169, 121413), (507, 40471)]