22081820

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2459}}^1$

素因数の和:2917

約数の個数: 24

約数和(自身を含む): 46494000

約数和(自身を除く): 24412180

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 2459, 4490, 4918, 8980, 9836, 12295, 24590, 49180, 1104091, 2208182, 4416364, 5520455, 11040910, 22081820]

約数ペア:

[(1, 22081820), (2, 11040910), (4, 5520455), (5, 4416364), (10, 2208182), (20, 1104091), (449, 49180), (898, 24590), (1796, 12295), (2245, 9836), (2459, 8980), (4490, 4918)]