13441420

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2161}}^1$

素因数の和:2481

約数の個数: 24

約数和(自身を含む): 28330848

約数和(自身を除く): 14889428

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 2161, 3110, 4322, 6220, 8644, 10805, 21610, 43220, 672071, 1344142, 2688284, 3360355, 6720710, 13441420]

約数ペア:

[(1, 13441420), (2, 6720710), (4, 3360355), (5, 2688284), (10, 1344142), (20, 672071), (311, 43220), (622, 21610), (1244, 10805), (1555, 8644), (2161, 6220), (3110, 4322)]