20728598

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20047}}^1$

素因数の和:20107

約数の個数: 16

約数和(自身を含む): 34642944

約数和(自身を除く): 13914346

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 20047, 40094, 220517, 441034, 942209, 1884418, 10364299, 20728598]

約数ペア:

[(1, 20728598), (2, 10364299), (11, 1884418), (22, 942209), (47, 441034), (94, 220517), (517, 40094), (1034, 20047)]