20157412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{458123}}^1$

素因数の和:458138

約数の個数: 12

約数和(自身を含む): 38482416

約数和(自身を除く): 18325004

約数列:

[1, 2, 4, 11, 22, 44, 458123, 916246, 1832492, 5039353, 10078706, 20157412]

約数ペア:

[(1, 20157412), (2, 10078706), (4, 5039353), (11, 1832492), (22, 916246), (44, 458123)]