20518267

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{6197}}^1$

素因数の和:6258

約数の個数: 16

約数和(自身を含む): 26180352

約数和(自身を除く): 5662085

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 6197, 43379, 68167, 266471, 477169, 1865297, 2931181, 20518267]

約数ペア:

[(1, 20518267), (7, 2931181), (11, 1865297), (43, 477169), (77, 266471), (301, 68167), (473, 43379), (3311, 6197)]