20792244879

素因数分解:

$3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1314883}}^1$

素因数の和:1315147

約数の個数: 24

約数和(自身を含む): 34460479872

約数和(自身を除く): 13668234993

約数列:

[1, 3, 7, 9, 21, 63, 251, 753, 1757, 2259, 5271, 15813, 1314883, 3944649, 9204181, 11833947, 27612543, 82837629, 330035633, 990106899, 2310249431, 2970320697, 6930748293, 20792244879]

約数ペア:

[(1, 20792244879), (3, 6930748293), (7, 2970320697), (9, 2310249431), (21, 990106899), (63, 330035633), (251, 82837629), (753, 27612543), (1757, 11833947), (2259, 9204181), (5271, 3944649), (15813, 1314883)]