20791852

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3463}}^1$

素因数の和:3565

約数の個数: 24

約数和(自身を含む): 38796800

約数和(自身を除く): 18004948

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 1501, 3002, 3463, 6004, 6926, 13852, 65797, 131594, 263188, 273577, 547154, 1094308, 5197963, 10395926, 20791852]

約数ペア:

[(1, 20791852), (2, 10395926), (4, 5197963), (19, 1094308), (38, 547154), (76, 273577), (79, 263188), (158, 131594), (316, 65797), (1501, 13852), (3002, 6926), (3463, 6004)]