20194696820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53143939}}^1$

素因数の和:53143967

約数の個数: 24

約数和(自身を含む): 44640909600

約数和(自身を除く): 24446212780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53143939, 106287878, 212575756, 265719695, 531439390, 1009734841, 1062878780, 2019469682, 4038939364, 5048674205, 10097348410, 20194696820]

約数ペア:

[(1, 20194696820), (2, 10097348410), (4, 5048674205), (5, 4038939364), (10, 2019469682), (19, 1062878780), (20, 1009734841), (38, 531439390), (76, 265719695), (95, 212575756), (190, 106287878), (380, 53143939)]