23211820

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{11491}}^1$

素因数の和:11601

約数の個数: 24

約数和(自身を含む): 49231728

約数和(自身を除く): 26019908

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 11491, 22982, 45964, 57455, 114910, 229820, 1160591, 2321182, 4642364, 5802955, 11605910, 23211820]

約数ペア:

[(1, 23211820), (2, 11605910), (4, 5802955), (5, 4642364), (10, 2321182), (20, 1160591), (101, 229820), (202, 114910), (404, 57455), (505, 45964), (1010, 22982), (2020, 11491)]