20194480

素因数分解:

$2^4\times 5^1\times {\mathrm{252431}}^1$

素因数の和:252444

約数の個数: 20

約数和(自身を含む): 46952352

約数和(自身を除く): 26757872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252431, 504862, 1009724, 1262155, 2019448, 2524310, 4038896, 5048620, 10097240, 20194480]

約数ペア:

[(1, 20194480), (2, 10097240), (4, 5048620), (5, 4038896), (8, 2524310), (10, 2019448), (16, 1262155), (20, 1009724), (40, 504862), (80, 252431)]