20880963

素因数分解:

$3^3\times {\mathrm{241}}^1\times {\mathrm{3209}}^1$

素因数の和:3459

約数の個数: 16

約数和(自身を含む): 31072800

約数和(自身を除く): 10191837

約数列:

[1, 3, 9, 27, 241, 723, 2169, 3209, 6507, 9627, 28881, 86643, 773369, 2320107, 6960321, 20880963]

約数ペア:

[(1, 20880963), (3, 6960321), (9, 2320107), (27, 773369), (241, 86643), (723, 28881), (2169, 9627), (3209, 6507)]