20087818

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1\times {\mathrm{769}}^1$

素因数の和:1161

約数の個数: 16

約数和(自身を含む): 31074120

約数和(自身を除く): 10986302

約数列:

[1, 2, 37, 74, 353, 706, 769, 1538, 13061, 26122, 28453, 56906, 271457, 542914, 10043909, 20087818]

約数ペア:

[(1, 20087818), (2, 10043909), (37, 542914), (74, 271457), (353, 56906), (706, 28453), (769, 26122), (1538, 13061)]