20646510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{688217}}^1$

素因数の和:688227

約数の個数: 16

約数和(自身を含む): 49551696

約数和(自身を除く): 28905186

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 688217, 1376434, 2064651, 3441085, 4129302, 6882170, 10323255, 20646510]

約数ペア:

[(1, 20646510), (2, 10323255), (3, 6882170), (5, 4129302), (6, 3441085), (10, 2064651), (15, 1376434), (30, 688217)]