20084840

素因数分解:

$2^3\times 5^1\times {\mathrm{502121}}^1$

素因数の和:502132

約数の個数: 16

約数和(自身を含む): 45190980

約数和(自身を除く): 25106140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 502121, 1004242, 2008484, 2510605, 4016968, 5021210, 10042420, 20084840]

約数ペア:

[(1, 20084840), (2, 10042420), (4, 5021210), (5, 4016968), (8, 2510605), (10, 2008484), (20, 1004242), (40, 502121)]