20397454

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{12041}}^1$

素因数の和:12072

約数の個数: 24

約数和(自身を含む): 38438064

約数和(自身を除く): 18040610

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 12041, 24082, 84287, 132451, 168574, 264902, 927157, 1456961, 1854314, 2913922, 10198727, 20397454]

約数ペア:

[(1, 20397454), (2, 10198727), (7, 2913922), (11, 1854314), (14, 1456961), (22, 927157), (77, 264902), (121, 168574), (154, 132451), (242, 84287), (847, 24082), (1694, 12041)]