15310220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18671}}^1$

素因数の和:18721

約数の個数: 24

約数和(自身を含む): 32937408

約数和(自身を除く): 17627188

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 18671, 37342, 74684, 93355, 186710, 373420, 765511, 1531022, 3062044, 3827555, 7655110, 15310220]

約数ペア:

[(1, 15310220), (2, 7655110), (4, 3827555), (5, 3062044), (10, 1531022), (20, 765511), (41, 373420), (82, 186710), (164, 93355), (205, 74684), (410, 37342), (820, 18671)]