20913244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{475301}}^1$

素因数の和:475316

約数の個数: 12

約数和(自身を含む): 39925368

約数和(自身を除く): 19012124

約数列:

[1, 2, 4, 11, 22, 44, 475301, 950602, 1901204, 5228311, 10456622, 20913244]

約数ペア:

[(1, 20913244), (2, 10456622), (4, 5228311), (11, 1901204), (22, 950602), (44, 475301)]