20290858

素因数分解:

$2^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{4721}}^1$

素因数の和:5037

約数の個数: 16

約数和(自身を含む): 34905024

約数和(自身を除く): 14614166

約数列:

[1, 2, 7, 14, 307, 614, 2149, 4298, 4721, 9442, 33047, 66094, 1449347, 2898694, 10145429, 20290858]

約数ペア:

[(1, 20290858), (2, 10145429), (7, 2898694), (14, 1449347), (307, 66094), (614, 33047), (2149, 9442), (4298, 4721)]