20112760

素因数分解:

$2^3\times 5^1\times {\mathrm{502819}}^1$

素因数の和:502830

約数の個数: 16

約数和(自身を含む): 45253800

約数和(自身を除く): 25141040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 502819, 1005638, 2011276, 2514095, 4022552, 5028190, 10056380, 20112760]

約数ペア:

[(1, 20112760), (2, 10056380), (4, 5028190), (5, 4022552), (8, 2514095), (10, 2011276), (20, 1005638), (40, 502819)]