13361420

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3691}}^1$

素因数の和:3881

約数の個数: 24

約数和(自身を含む): 28221648

約数和(自身を除く): 14860228

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 3691, 7382, 14764, 18455, 36910, 73820, 668071, 1336142, 2672284, 3340355, 6680710, 13361420]

約数ペア:

[(1, 13361420), (2, 6680710), (4, 3340355), (5, 2672284), (10, 1336142), (20, 668071), (181, 73820), (362, 36910), (724, 18455), (905, 14764), (1810, 7382), (3620, 3691)]