20728612

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{967}}^1$

素因数の和:1227

約数の個数: 24

約数和(自身を含む): 38054016

約数和(自身を除く): 17325404

約数列:

[1, 2, 4, 23, 46, 92, 233, 466, 932, 967, 1934, 3868, 5359, 10718, 21436, 22241, 44482, 88964, 225311, 450622, 901244, 5182153, 10364306, 20728612]

約数ペア:

[(1, 20728612), (2, 10364306), (4, 5182153), (23, 901244), (46, 450622), (92, 225311), (233, 88964), (466, 44482), (932, 22241), (967, 21436), (1934, 10718), (3868, 5359)]