20351485

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{52861}}^1$

素因数の和:52884

約数の個数: 16

約数和(自身を含む): 30448512

約数和(自身を除く): 10097027

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 52861, 264305, 370027, 581471, 1850135, 2907355, 4070297, 20351485]

約数ペア:

[(1, 20351485), (5, 4070297), (7, 2907355), (11, 1850135), (35, 581471), (55, 370027), (77, 264305), (385, 52861)]