20788945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{3709}}^1$

素因数の和:3792

約数の個数: 16

約数和(自身を含む): 26712000

約数和(自身を除く): 5923055

約数列:

[1, 5, 19, 59, 95, 295, 1121, 3709, 5605, 18545, 70471, 218831, 352355, 1094155, 4157789, 20788945]

約数ペア:

[(1, 20788945), (5, 4157789), (19, 1094155), (59, 352355), (95, 218831), (295, 70471), (1121, 18545), (3709, 5605)]