20807655

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126107}}^1$

素因数の和:126126

約数の個数: 16

約数和(自身を含む): 36319104

約数和(自身を除く): 15511449

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 126107, 378321, 630535, 1387177, 1891605, 4161531, 6935885, 20807655]

約数ペア:

[(1, 20807655), (3, 6935885), (5, 4161531), (11, 1891605), (15, 1387177), (33, 630535), (55, 378321), (165, 126107)]