20047839

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7517}}^1$

素因数の和:7654

約数の個数: 16

約数和(自身を含む): 30793728

約数和(自身を除く): 10745889

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 7517, 22551, 52619, 157857, 954659, 2863977, 6682613, 20047839]

約数ペア:

[(1, 20047839), (3, 6682613), (7, 2863977), (21, 954659), (127, 157857), (381, 52619), (889, 22551), (2667, 7517)]