20887408

素因数分解:

$2^4\times {\mathrm{911}}^1\times {\mathrm{1433}}^1$

素因数の和:2352

約数の個数: 20

約数和(自身を含む): 40542048

約数和(自身を除く): 19654640

約数列:

[1, 2, 4, 8, 16, 911, 1433, 1822, 2866, 3644, 5732, 7288, 11464, 14576, 22928, 1305463, 2610926, 5221852, 10443704, 20887408]

約数ペア:

[(1, 20887408), (2, 10443704), (4, 5221852), (8, 2610926), (16, 1305463), (911, 22928), (1433, 14576), (1822, 11464), (2866, 7288), (3644, 5732)]