20123956467

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10801909}}^1$

素因数の和:10801944

約数の個数: 20

約数和(自身を含む): 31368746640

約数和(自身を除く): 11244790173

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10801909, 32405727, 97217181, 248443907, 291651543, 745331721, 874954629, 2235995163, 6707985489, 20123956467]

約数ペア:

[(1, 20123956467), (3, 6707985489), (9, 2235995163), (23, 874954629), (27, 745331721), (69, 291651543), (81, 248443907), (207, 97217181), (621, 32405727), (1863, 10801909)]