2520782020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2681683}}^1$

素因数の和:2681739

約数の個数: 24

約数和(自身を含む): 5406274944

約数和(自身を除く): 2885492924

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 2681683, 5363366, 10726732, 13408415, 26816830, 53633660, 126039101, 252078202, 504156404, 630195505, 1260391010, 2520782020]

約数ペア:

[(1, 2520782020), (2, 1260391010), (4, 630195505), (5, 504156404), (10, 252078202), (20, 126039101), (47, 53633660), (94, 26816830), (188, 13408415), (235, 10726732), (470, 5363366), (940, 2681683)]