20786007

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{1987}}^1$

素因数の和:2318

約数の個数: 16

約数和(自身を含む): 30344832

約数和(自身を除く): 9558825

約数列:

[1, 3, 11, 33, 317, 951, 1987, 3487, 5961, 10461, 21857, 65571, 629879, 1889637, 6928669, 20786007]

約数ペア:

[(1, 20786007), (3, 6928669), (11, 1889637), (33, 629879), (317, 65571), (951, 21857), (1987, 10461), (3487, 5961)]