20378556

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{51461}}^1$

素因数の和:51482

約数の個数: 36

約数和(自身を含む): 56196504

約数和(自身を除く): 35817948

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 51461, 102922, 154383, 205844, 308766, 463149, 566071, 617532, 926298, 1132142, 1698213, 1852596, 2264284, 3396426, 5094639, 6792852, 10189278, 20378556]

約数ペア:

[(1, 20378556), (2, 10189278), (3, 6792852), (4, 5094639), (6, 3396426), (9, 2264284), (11, 1852596), (12, 1698213), (18, 1132142), (22, 926298), (33, 617532), (36, 566071), (44, 463149), (66, 308766), (99, 205844), (132, 154383), (198, 102922), (396, 51461)]