20047810

素因数分解:

$2^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3511}}^1$

素因数の和:4089

約数の個数: 16

約数和(自身を含む): 36159552

約数和(自身を除く): 16111742

約数列:

[1, 2, 5, 10, 571, 1142, 2855, 3511, 5710, 7022, 17555, 35110, 2004781, 4009562, 10023905, 20047810]

約数ペア:

[(1, 20047810), (2, 10023905), (5, 4009562), (10, 2004781), (571, 35110), (1142, 17555), (2855, 7022), (3511, 5710)]