20031080

素因数分解:

$2^3\times 5^1\times {\mathrm{500777}}^1$

素因数の和:500788

約数の個数: 16

約数和(自身を含む): 45070020

約数和(自身を除く): 25038940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 500777, 1001554, 2003108, 2503885, 4006216, 5007770, 10015540, 20031080]

約数ペア:

[(1, 20031080), (2, 10015540), (4, 5007770), (5, 4006216), (8, 2503885), (10, 2003108), (20, 1001554), (40, 500777)]