20791815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126011}}^1$

素因数の和:126030

約数の個数: 16

約数和(自身を含む): 36291456

約数和(自身を除く): 15499641

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 126011, 378033, 630055, 1386121, 1890165, 4158363, 6930605, 20791815]

約数ペア:

[(1, 20791815), (3, 6930605), (5, 4158363), (11, 1890165), (15, 1386121), (33, 630055), (55, 378033), (165, 126011)]