20490774

素因数分解:

$2^1\times 3^1\times {\mathrm{769}}^1\times {\mathrm{4441}}^1$

素因数の和:5215

約数の個数: 16

約数和(自身を含む): 41044080

約数和(自身を除く): 20553306

約数列:

[1, 2, 3, 6, 769, 1538, 2307, 4441, 4614, 8882, 13323, 26646, 3415129, 6830258, 10245387, 20490774]

約数ペア:

[(1, 20490774), (2, 10245387), (3, 6830258), (6, 3415129), (769, 26646), (1538, 13323), (2307, 8882), (4441, 4614)]