20462992

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{499}}^1$

素因数の和:751

約数の個数: 40

約数和(自身を含む): 43524000

約数和(自身を除く): 23061008

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 233, 466, 499, 932, 998, 1864, 1996, 2563, 3728, 3992, 5126, 5489, 7984, 10252, 10978, 20504, 21956, 41008, 43912, 87824, 116267, 232534, 465068, 930136, 1278937, 1860272, 2557874, 5115748, 10231496, 20462992]

約数ペア:

[(1, 20462992), (2, 10231496), (4, 5115748), (8, 2557874), (11, 1860272), (16, 1278937), (22, 930136), (44, 465068), (88, 232534), (176, 116267), (233, 87824), (466, 43912), (499, 41008), (932, 21956), (998, 20504), (1864, 10978), (1996, 10252), (2563, 7984), (3728, 5489), (3992, 5126)]