20651495

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{769}}^1$

素因数の和:946

約数の個数: 16

約数和(自身を含む): 25613280

約数和(自身を除く): 4961785

約数列:

[1, 5, 41, 131, 205, 655, 769, 3845, 5371, 26855, 31529, 100739, 157645, 503695, 4130299, 20651495]

約数ペア:

[(1, 20651495), (5, 4130299), (41, 503695), (131, 157645), (205, 100739), (655, 31529), (769, 26855), (3845, 5371)]