20040155

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1093}}^1$

素因数の和:1310

約数の個数: 16

約数和(自身を含む): 25468320

約数和(自身を除く): 5428165

約数列:

[1, 5, 19, 95, 193, 965, 1093, 3667, 5465, 18335, 20767, 103835, 210949, 1054745, 4008031, 20040155]

約数ペア:

[(1, 20040155), (5, 4008031), (19, 1054745), (95, 210949), (193, 103835), (965, 20767), (1093, 18335), (3667, 5465)]