20651774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:632

約数の個数: 32

約数和(自身を含む): 36699264

約数和(自身を除く): 16047490

約数列:

[1, 2, 11, 13, 22, 26, 143, 163, 286, 326, 443, 886, 1793, 2119, 3586, 4238, 4873, 5759, 9746, 11518, 23309, 46618, 63349, 72209, 126698, 144418, 794299, 938717, 1588598, 1877434, 10325887, 20651774]

約数ペア:

[(1, 20651774), (2, 10325887), (11, 1877434), (13, 1588598), (22, 938717), (26, 794299), (143, 144418), (163, 126698), (286, 72209), (326, 63349), (443, 46618), (886, 23309), (1793, 11518), (2119, 9746), (3586, 5759), (4238, 4873)]