20186685

素因数分解:

$3^3\times 5^1\times {\mathrm{149531}}^1$

素因数の和:149545

約数の個数: 16

約数和(自身を含む): 35887680

約数和(自身を除く): 15700995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149531, 448593, 747655, 1345779, 2242965, 4037337, 6728895, 20186685]

約数ペア:

[(1, 20186685), (3, 6728895), (5, 4037337), (9, 2242965), (15, 1345779), (27, 747655), (45, 448593), (135, 149531)]