20013465

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16889}}^1$

素因数の和:16976

約数の個数: 16

約数和(自身を含む): 32428800

約数和(自身を除く): 12415335

約数列:

[1, 3, 5, 15, 79, 237, 395, 1185, 16889, 50667, 84445, 253335, 1334231, 4002693, 6671155, 20013465]

約数ペア:

[(1, 20013465), (3, 6671155), (5, 4002693), (15, 1334231), (79, 253335), (237, 84445), (395, 50667), (1185, 16889)]