20005580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{142897}}^1$

素因数の和:142913

約数の個数: 24

約数和(自身を含む): 48013728

約数和(自身を除く): 28008148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 142897, 285794, 571588, 714485, 1000279, 1428970, 2000558, 2857940, 4001116, 5001395, 10002790, 20005580]

約数ペア:

[(1, 20005580), (2, 10002790), (4, 5001395), (5, 4001116), (7, 2857940), (10, 2000558), (14, 1428970), (20, 1000279), (28, 714485), (35, 571588), (70, 285794), (140, 142897)]