2021892020

素因数分解:

$2^2\times 5^1\times {\mathrm{1789}}^1\times {\mathrm{56509}}^1$

素因数の和:58307

約数の個数: 24

約数和(自身を含む): 4248421800

約数和(自身を除く): 2226529780

約数列:

[1, 2, 4, 5, 10, 20, 1789, 3578, 7156, 8945, 17890, 35780, 56509, 113018, 226036, 282545, 565090, 1130180, 101094601, 202189202, 404378404, 505473005, 1010946010, 2021892020]

約数ペア:

[(1, 2021892020), (2, 1010946010), (4, 505473005), (5, 404378404), (10, 202189202), (20, 101094601), (1789, 1130180), (3578, 565090), (7156, 282545), (8945, 226036), (17890, 113018), (35780, 56509)]