20797755

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126047}}^1$

素因数の和:126066

約数の個数: 16

約数和(自身を含む): 36301824

約数和(自身を除く): 15504069

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 126047, 378141, 630235, 1386517, 1890705, 4159551, 6932585, 20797755]

約数ペア:

[(1, 20797755), (3, 6932585), (5, 4159551), (11, 1890705), (15, 1386517), (33, 630235), (55, 378141), (165, 126047)]