20125137

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1249}}^1$

素因数の和:1424

約数の個数: 16

約数和(自身を含む): 27720000

約数和(自身を除く): 7594863

約数列:

[1, 3, 41, 123, 131, 393, 1249, 3747, 5371, 16113, 51209, 153627, 163619, 490857, 6708379, 20125137]

約数ペア:

[(1, 20125137), (3, 6708379), (41, 490857), (123, 163619), (131, 153627), (393, 51209), (1249, 16113), (3747, 5371)]