20235577940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14250407}}^1$

素因数の和:14250487

約数の個数: 24

約数和(自身を含む): 43093233792

約数和(自身を除く): 22857655852

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 14250407, 28500814, 57001628, 71252035, 142504070, 285008140, 1011778897, 2023557794, 4047115588, 5058894485, 10117788970, 20235577940]

約数ペア:

[(1, 20235577940), (2, 10117788970), (4, 5058894485), (5, 4047115588), (10, 2023557794), (20, 1011778897), (71, 285008140), (142, 142504070), (284, 71252035), (355, 57001628), (710, 28500814), (1420, 14250407)]