20205580

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{3187}}^1$

素因数の和:3513

約数の個数: 24

約数和(自身を含む): 42578928

約数和(自身を除く): 22373348

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 3187, 6340, 6374, 12748, 15935, 31870, 63740, 1010279, 2020558, 4041116, 5051395, 10102790, 20205580]

約数ペア:

[(1, 20205580), (2, 10102790), (4, 5051395), (5, 4041116), (10, 2020558), (20, 1010279), (317, 63740), (634, 31870), (1268, 15935), (1585, 12748), (3170, 6374), (3187, 6340)]