20338510

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4831}}^1$

素因数の和:5259

約数の個数: 16

約数和(自身を含む): 36703872

約数和(自身を除く): 16365362

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 4831, 9662, 24155, 48310, 2033851, 4067702, 10169255, 20338510]

約数ペア:

[(1, 20338510), (2, 10169255), (5, 4067702), (10, 2033851), (421, 48310), (842, 24155), (2105, 9662), (4210, 4831)]