20844010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{189491}}^1$

素因数の和:189509

約数の個数: 16

約数和(自身を含む): 40930272

約数和(自身を除く): 20086262

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 189491, 378982, 947455, 1894910, 2084401, 4168802, 10422005, 20844010]

約数ペア:

[(1, 20844010), (2, 10422005), (5, 4168802), (10, 2084401), (11, 1894910), (22, 947455), (55, 378982), (110, 189491)]