20528244

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{51839}}^1$

素因数の和:51860

約数の個数: 36

約数和(自身を含む): 56609280

約数和(自身を除く): 36081036

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 51839, 103678, 155517, 207356, 311034, 466551, 570229, 622068, 933102, 1140458, 1710687, 1866204, 2280916, 3421374, 5132061, 6842748, 10264122, 20528244]

約数ペア:

[(1, 20528244), (2, 10264122), (3, 6842748), (4, 5132061), (6, 3421374), (9, 2280916), (11, 1866204), (12, 1710687), (18, 1140458), (22, 933102), (33, 622068), (36, 570229), (44, 466551), (66, 311034), (99, 207356), (132, 155517), (198, 103678), (396, 51839)]