20096840

素因数分解:

$2^3\times 5^1\times {\mathrm{502421}}^1$

素因数の和:502432

約数の個数: 16

約数和(自身を含む): 45217980

約数和(自身を除く): 25121140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 502421, 1004842, 2009684, 2512105, 4019368, 5024210, 10048420, 20096840]

約数ペア:

[(1, 20096840), (2, 10048420), (4, 5024210), (5, 4019368), (8, 2512105), (10, 2009684), (20, 1004842), (40, 502421)]