20111590

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18451}}^1$

素因数の和:18567

約数の個数: 16

約数和(自身を含む): 36534960

約数和(自身を除く): 16423370

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18451, 36902, 92255, 184510, 2011159, 4022318, 10055795, 20111590]

約数ペア:

[(1, 20111590), (2, 10055795), (5, 4022318), (10, 2011159), (109, 184510), (218, 92255), (545, 36902), (1090, 18451)]