9815620

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1811}}^1$

素因数の和:2091

約数の個数: 24

約数和(自身を含む): 20700288

約数和(自身を除く): 10884668

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 1811, 2710, 3622, 5420, 7244, 9055, 18110, 36220, 490781, 981562, 1963124, 2453905, 4907810, 9815620]

約数ペア:

[(1, 9815620), (2, 4907810), (4, 2453905), (5, 1963124), (10, 981562), (20, 490781), (271, 36220), (542, 18110), (1084, 9055), (1355, 7244), (1811, 5420), (2710, 3622)]