20740335

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17957}}^1$

素因数の和:17983

約数の個数: 32

約数和(自身を含む): 41375232

約数和(自身を除く): 20634897

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 17957, 53871, 89785, 125699, 197527, 269355, 377097, 592581, 628495, 987635, 1382689, 1885485, 2962905, 4148067, 6913445, 20740335]

約数ペア:

[(1, 20740335), (3, 6913445), (5, 4148067), (7, 2962905), (11, 1885485), (15, 1382689), (21, 987635), (33, 628495), (35, 592581), (55, 377097), (77, 269355), (105, 197527), (165, 125699), (231, 89785), (385, 53871), (1155, 17957)]