20098510

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18439}}^1$

素因数の和:18555

約数の個数: 16

約数和(自身を含む): 36511200

約数和(自身を除く): 16412690

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18439, 36878, 92195, 184390, 2009851, 4019702, 10049255, 20098510]

約数ペア:

[(1, 20098510), (2, 10049255), (5, 4019702), (10, 2009851), (109, 184390), (218, 92195), (545, 36878), (1090, 18439)]