20768726

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{2131}}^1$

素因数の和:2587

約数の個数: 16

約数和(自身を含む): 34077888

約数和(自身を除く): 13309162

約数列:

[1, 2, 11, 22, 443, 886, 2131, 4262, 4873, 9746, 23441, 46882, 944033, 1888066, 10384363, 20768726]

約数ペア:

[(1, 20768726), (2, 10384363), (11, 1888066), (22, 944033), (443, 46882), (886, 23441), (2131, 9746), (4262, 4873)]