13457020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16411}}^1$

素因数の和:16461

約数の個数: 24

約数和(自身を含む): 28950768

約数和(自身を除く): 15493748

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 16411, 32822, 65644, 82055, 164110, 328220, 672851, 1345702, 2691404, 3364255, 6728510, 13457020]

約数ペア:

[(1, 13457020), (2, 6728510), (4, 3364255), (5, 2691404), (10, 1345702), (20, 672851), (41, 328220), (82, 164110), (164, 82055), (205, 65644), (410, 32822), (820, 16411)]