20557922

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{133493}}^1$

素因数の和:133513

約数の個数: 16

約数和(自身を含む): 38446272

約数和(自身を除く): 17888350

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 133493, 266986, 934451, 1468423, 1868902, 2936846, 10278961, 20557922]

約数ペア:

[(1, 20557922), (2, 10278961), (7, 2936846), (11, 1868902), (14, 1468423), (22, 934451), (77, 266986), (154, 133493)]