13940620

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3851}}^1$

素因数の和:4041

約数の個数: 24

約数和(自身を含む): 29444688

約数和(自身を除く): 15504068

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 3851, 7702, 15404, 19255, 38510, 77020, 697031, 1394062, 2788124, 3485155, 6970310, 13940620]

約数ペア:

[(1, 13940620), (2, 6970310), (4, 3485155), (5, 2788124), (10, 1394062), (20, 697031), (181, 77020), (362, 38510), (724, 19255), (905, 15404), (1810, 7702), (3620, 3851)]