20971588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{10141}}^1$

素因数の和:10203

約数の個数: 24

約数和(自身を含む): 40892544

約数和(自身を除く): 19920956

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 10141, 20282, 40564, 111551, 223102, 446204, 476627, 953254, 1906508, 5242897, 10485794, 20971588]

約数ペア:

[(1, 20971588), (2, 10485794), (4, 5242897), (11, 1906508), (22, 953254), (44, 476627), (47, 446204), (94, 223102), (188, 111551), (517, 40564), (1034, 20282), (2068, 10141)]