13289020

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3671}}^1$

素因数の和:3861

約数の個数: 24

約数和(自身を含む): 28068768

約数和(自身を除く): 14779748

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 3671, 7342, 14684, 18355, 36710, 73420, 664451, 1328902, 2657804, 3322255, 6644510, 13289020]

約数ペア:

[(1, 13289020), (2, 6644510), (4, 3322255), (5, 2657804), (10, 1328902), (20, 664451), (181, 73420), (362, 36710), (724, 18355), (905, 14684), (1810, 7342), (3620, 3671)]