20565237

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{701}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 34504704

約数和(自身を除く): 13939467

約数列:

[1, 3, 7, 11, 21, 33, 77, 127, 231, 381, 701, 889, 1397, 2103, 2667, 4191, 4907, 7711, 9779, 14721, 23133, 29337, 53977, 89027, 161931, 267081, 623189, 979297, 1869567, 2937891, 6855079, 20565237]

約数ペア:

[(1, 20565237), (3, 6855079), (7, 2937891), (11, 1869567), (21, 979297), (33, 623189), (77, 267081), (127, 161931), (231, 89027), (381, 53977), (701, 29337), (889, 23133), (1397, 14721), (2103, 9779), (2667, 7711), (4191, 4907)]