20219265

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40847}}^1$

素因数の和:40869

約数の個数: 24

約数和(自身を含む): 38233728

約数和(自身を除く): 18014463

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 40847, 122541, 204235, 367623, 449317, 612705, 1347951, 1838115, 2246585, 4043853, 6739755, 20219265]

約数ペア:

[(1, 20219265), (3, 6739755), (5, 4043853), (9, 2246585), (11, 1838115), (15, 1347951), (33, 612705), (45, 449317), (55, 367623), (99, 204235), (165, 122541), (495, 40847)]