20404501

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{719}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 22982400

約数和(自身を除く): 2577899

約数列:

[1, 13, 37, 59, 481, 719, 767, 2183, 9347, 26603, 28379, 42421, 345839, 551473, 1569577, 20404501]

約数ペア:

[(1, 20404501), (13, 1569577), (37, 551473), (59, 345839), (481, 42421), (719, 28379), (767, 26603), (2183, 9347)]