20192080

素因数分解:

$2^4\times 5^1\times {\mathrm{252401}}^1$

素因数の和:252414

約数の個数: 20

約数和(自身を含む): 46946772

約数和(自身を除く): 26754692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252401, 504802, 1009604, 1262005, 2019208, 2524010, 4038416, 5048020, 10096040, 20192080]

約数ペア:

[(1, 20192080), (2, 10096040), (4, 5048020), (5, 4038416), (8, 2524010), (10, 2019208), (16, 1262005), (20, 1009604), (40, 504802), (80, 252401)]