20486444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{827}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 39227328

約数和(自身を除く): 18740884

約数列:

[1, 2, 4, 11, 22, 44, 563, 827, 1126, 1654, 2252, 3308, 6193, 9097, 12386, 18194, 24772, 36388, 465601, 931202, 1862404, 5121611, 10243222, 20486444]

約数ペア:

[(1, 20486444), (2, 10243222), (4, 5121611), (11, 1862404), (22, 931202), (44, 465601), (563, 36388), (827, 24772), (1126, 18194), (1654, 12386), (2252, 9097), (3308, 6193)]