20950391

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{827}}^1$

素因数の和:899

約数の個数: 24

約数和(自身を含む): 27184896

約数和(自身を除く): 6234505

約数列:

[1, 7, 11, 47, 49, 77, 329, 517, 539, 827, 2303, 3619, 5789, 9097, 25333, 38869, 40523, 63679, 272083, 427559, 445753, 1904581, 2992913, 20950391]

約数ペア:

[(1, 20950391), (7, 2992913), (11, 1904581), (47, 445753), (49, 427559), (77, 272083), (329, 63679), (517, 40523), (539, 38869), (827, 25333), (2303, 9097), (3619, 5789)]