20859190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17239}}^1$

素因数の和:17268

約数の個数: 24

約数和(自身を含む): 41272560

約数和(自身を除く): 20413370

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 17239, 34478, 86195, 172390, 189629, 379258, 948145, 1896290, 2085919, 4171838, 10429595, 20859190]

約数ペア:

[(1, 20859190), (2, 10429595), (5, 4171838), (10, 2085919), (11, 1896290), (22, 948145), (55, 379258), (110, 189629), (121, 172390), (242, 86195), (605, 34478), (1210, 17239)]