20512667755

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5612221}}^1$

素因数の和:5612286

約数の個数: 16

約数和(自身を含む): 26669278944

約数和(自身を除く): 6156611189

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 5612221, 28061105, 95407757, 241325503, 477038785, 1206627515, 4102533551, 20512667755]

約数ペア:

[(1, 20512667755), (5, 4102533551), (17, 1206627515), (43, 477038785), (85, 241325503), (215, 95407757), (731, 28061105), (3655, 5612221)]