20194276280

素因数分解:

$2^3\times 5^1\times {\mathrm{504856907}}^1$

素因数の和:504856918

約数の個数: 16

約数和(自身を含む): 45437121720

約数和(自身を除く): 25242845440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504856907, 1009713814, 2019427628, 2524284535, 4038855256, 5048569070, 10097138140, 20194276280]

約数ペア:

[(1, 20194276280), (2, 10097138140), (4, 5048569070), (5, 4038855256), (8, 2524284535), (10, 2019427628), (20, 1009713814), (40, 504856907)]