20815036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{4877}}^1$

素因数の和:4989

約数の個数: 24

約数和(自身を含む): 40155696

約数和(自身を除く): 19340660

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 4268, 4877, 9754, 19508, 53647, 107294, 214588, 473069, 946138, 1892276, 5203759, 10407518, 20815036]

約数ペア:

[(1, 20815036), (2, 10407518), (4, 5203759), (11, 1892276), (22, 946138), (44, 473069), (97, 214588), (194, 107294), (388, 53647), (1067, 19508), (2134, 9754), (4268, 4877)]