20156073119

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31642187}}^1$

素因数の和:31642214

約数の個数: 12

約数和(自身を含む): 25250466024

約数和(自身を除く): 5094392905

約数列:

[1, 7, 13, 49, 91, 637, 31642187, 221495309, 411348431, 1550467163, 2879439017, 20156073119]

約数ペア:

[(1, 20156073119), (7, 2879439017), (13, 1550467163), (49, 411348431), (91, 221495309), (637, 31642187)]