20825273

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5051}}^1$

素因数の和:5108

約数の個数: 16

約数和(自身を含む): 25866240

約数和(自身を除く): 5040967

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 5051, 35357, 95969, 156581, 671783, 1096067, 2975039, 20825273]

約数ペア:

[(1, 20825273), (7, 2975039), (19, 1096067), (31, 671783), (133, 156581), (217, 95969), (589, 35357), (4123, 5051)]