20804967152

素因数分解:

$2^4\times {\mathrm{353}}^1\times {\mathrm{3683599}}^1$

素因数の和:3683960

約数の個数: 20

約数和(自身を含む): 40423826400

約数和(自身を除く): 19618859248

約数列:

[1, 2, 4, 8, 16, 353, 706, 1412, 2824, 5648, 3683599, 7367198, 14734396, 29468792, 58937584, 1300310447, 2600620894, 5201241788, 10402483576, 20804967152]

約数ペア:

[(1, 20804967152), (2, 10402483576), (4, 5201241788), (8, 2600620894), (16, 1300310447), (353, 58937584), (706, 29468792), (1412, 14734396), (2824, 7367198), (5648, 3683599)]