20824815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126211}}^1$

素因数の和:126230

約数の個数: 16

約数和(自身を含む): 36349056

約数和(自身を除く): 15524241

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 126211, 378633, 631055, 1388321, 1893165, 4164963, 6941605, 20824815]

約数ペア:

[(1, 20824815), (3, 6941605), (5, 4164963), (11, 1893165), (15, 1388321), (33, 631055), (55, 378633), (165, 126211)]