20575885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{10111}}^1$

素因数の和:10164

約数の個数: 16

約数和(自身を含む): 27666432

約数和(自身を除く): 7090547

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 10111, 50555, 111221, 374107, 556105, 1870535, 4115177, 20575885]

約数ペア:

[(1, 20575885), (5, 4115177), (11, 1870535), (37, 556105), (55, 374107), (185, 111221), (407, 50555), (2035, 10111)]