20590040

素因数分解:

$2^3\times 5^1\times {\mathrm{514751}}^1$

素因数の和:514762

約数の個数: 16

約数和(自身を含む): 46327680

約数和(自身を除く): 25737640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 514751, 1029502, 2059004, 2573755, 4118008, 5147510, 10295020, 20590040]

約数ペア:

[(1, 20590040), (2, 10295020), (4, 5147510), (5, 4118008), (8, 2573755), (10, 2059004), (20, 1029502), (40, 514751)]