20328081

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5023}}^1$

素因数の和:5116

約数の個数: 16

約数和(自身を含む): 28938240

約数和(自身を除く): 8610159

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 5023, 15069, 95437, 286311, 356633, 1069899, 6776027, 20328081]

約数ペア:

[(1, 20328081), (3, 6776027), (19, 1069899), (57, 356633), (71, 286311), (213, 95437), (1349, 15069), (4047, 5023)]