20511417790

素因数分解:

$2^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{8956951}}^1$

素因数の和:8957187

約数の個数: 16

約数和(自身を含む): 37081781280

約数和(自身を除く): 16570363490

約数列:

[1, 2, 5, 10, 229, 458, 1145, 2290, 8956951, 17913902, 44784755, 89569510, 2051141779, 4102283558, 10255708895, 20511417790]

約数ペア:

[(1, 20511417790), (2, 10255708895), (5, 4102283558), (10, 2051141779), (229, 89569510), (458, 44784755), (1145, 17913902), (2290, 8956951)]