20125418105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{281}}^1\times {\mathrm{4729}}^1$

素因数の和:5261

約数の個数: 32

約数和(自身を含む): 26218352160

約数和(自身を除く): 6092934055

約数列:

[1, 5, 13, 65, 233, 281, 1165, 1405, 3029, 3653, 4729, 15145, 18265, 23645, 61477, 65473, 307385, 327365, 851149, 1101857, 1328849, 4255745, 5509285, 6644245, 14324141, 17275037, 71620705, 86375185, 309621817, 1548109085, 4025083621, 20125418105]

約数ペア:

[(1, 20125418105), (5, 4025083621), (13, 1548109085), (65, 309621817), (233, 86375185), (281, 71620705), (1165, 17275037), (1405, 14324141), (3029, 6644245), (3653, 5509285), (4729, 4255745), (15145, 1328849), (18265, 1101857), (23645, 851149), (61477, 327365), (65473, 307385)]