20729137

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8527}}^1$

素因数の和:8568

約数の個数: 16

約数和(自身を含む): 25788672

約数和(自身を除く): 5059535

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 8527, 93797, 110851, 144959, 1219361, 1594549, 1884467, 20729137]

約数ペア:

[(1, 20729137), (11, 1884467), (13, 1594549), (17, 1219361), (143, 144959), (187, 110851), (221, 93797), (2431, 8527)]