20968580

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22307}}^1$

素因数の和:22363

約数の個数: 24

約数和(自身を含む): 44972928

約数和(自身を除く): 24004348

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 22307, 44614, 89228, 111535, 223070, 446140, 1048429, 2096858, 4193716, 5242145, 10484290, 20968580]

約数ペア:

[(1, 20968580), (2, 10484290), (4, 5242145), (5, 4193716), (10, 2096858), (20, 1048429), (47, 446140), (94, 223070), (188, 111535), (235, 89228), (470, 44614), (940, 22307)]