20859685

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{54181}}^1$

素因数の和:54204

約数の個数: 16

約数和(自身を含む): 31208832

約数和(自身を除く): 10349147

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 54181, 270905, 379267, 595991, 1896335, 2979955, 4171937, 20859685]

約数ペア:

[(1, 20859685), (5, 4171937), (7, 2979955), (11, 1896335), (35, 595991), (55, 379267), (77, 270905), (385, 54181)]