20184759

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7451}}^1$

素因数の和:7507

約数の個数: 24

約数和(自身を含む): 34100352

約数和(自身を除く): 13915593

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 7451, 22353, 52157, 67059, 156471, 320393, 469413, 961179, 2242751, 2883537, 6728253, 20184759]

約数ペア:

[(1, 20184759), (3, 6728253), (7, 2883537), (9, 2242751), (21, 961179), (43, 469413), (63, 320393), (129, 156471), (301, 67059), (387, 52157), (903, 22353), (2709, 7451)]