20487445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{2081}}^1$

素因数の和:2276

約数の個数: 16

約数和(自身を含む): 26982720

約数和(自身を除く): 6495275

約数列:

[1, 5, 11, 55, 179, 895, 1969, 2081, 9845, 10405, 22891, 114455, 372499, 1862495, 4097489, 20487445]

約数ペア:

[(1, 20487445), (5, 4097489), (11, 1862495), (55, 372499), (179, 114455), (895, 22891), (1969, 10405), (2081, 9845)]