20998196

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{2833}}^1$

素因数の和:2963

約数の個数: 24

約数和(自身を含む): 39279240

約数和(自身を除く): 18281044

約数列:

[1, 2, 4, 17, 34, 68, 109, 218, 436, 1853, 2833, 3706, 5666, 7412, 11332, 48161, 96322, 192644, 308797, 617594, 1235188, 5249549, 10499098, 20998196]

約数ペア:

[(1, 20998196), (2, 10499098), (4, 5249549), (17, 1235188), (34, 617594), (68, 308797), (109, 192644), (218, 96322), (436, 48161), (1853, 11332), (2833, 7412), (3706, 5666)]