2000943380

素因数分解:

$2^2\times 5^1\times {\mathrm{100047169}}^1$

素因数の和:100047178

約数の個数: 12

約数和(自身を含む): 4201981140

約数和(自身を除く): 2201037760

約数列:

[1, 2, 4, 5, 10, 20, 100047169, 200094338, 400188676, 500235845, 1000471690, 2000943380]

約数ペア:

[(1, 2000943380), (2, 1000471690), (4, 500235845), (5, 400188676), (10, 200094338), (20, 100047169)]