20914550

素因数分解:

$2^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{2311}}^1$

素因数の和:2504

約数の個数: 24

約数和(自身を含む): 39132912

約数和(自身を除く): 18218362

約数列:

[1, 2, 5, 10, 25, 50, 181, 362, 905, 1810, 2311, 4525, 4622, 9050, 11555, 23110, 57775, 115550, 418291, 836582, 2091455, 4182910, 10457275, 20914550]

約数ペア:

[(1, 20914550), (2, 10457275), (5, 4182910), (10, 2091455), (25, 836582), (50, 418291), (181, 115550), (362, 57775), (905, 23110), (1810, 11555), (2311, 9050), (4525, 4622)]