20053593

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1229}}^1$

素因数の和:1286

約数の個数: 36

約数和(自身を含む): 34634340

約数和(自身を除く): 14580747

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 441, 777, 1229, 1813, 2331, 3687, 5439, 8603, 11061, 16317, 25809, 45473, 60221, 77427, 136419, 180663, 318311, 409257, 541989, 954933, 2228177, 2864799, 6684531, 20053593]

約数ペア:

[(1, 20053593), (3, 6684531), (7, 2864799), (9, 2228177), (21, 954933), (37, 541989), (49, 409257), (63, 318311), (111, 180663), (147, 136419), (259, 77427), (333, 60221), (441, 45473), (777, 25809), (1229, 16317), (1813, 11061), (2331, 8603), (3687, 5439)]