20201346

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 29565054

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 71, 99, 142, 198, 213, 297, 426, 479, 594, 639, 781, 958, 1278, 1437, 1562, 1917, 2343, 2874, 3834, 4311, 4686, 5269, 7029, 8622, 10538, 12933, 14058, 15807, 21087, 25866, 31614, 34009, 42174, 47421, 68018, 94842, 102027, 142263, 204054, 284526, 306081, 374099, 612162, 748198, 918243, 1122297, 1836486, 2244594, 3366891, 6733782, 10100673, 20201346]

約数ペア:

[(1, 20201346), (2, 10100673), (3, 6733782), (6, 3366891), (9, 2244594), (11, 1836486), (18, 1122297), (22, 918243), (27, 748198), (33, 612162), (54, 374099), (66, 306081), (71, 284526), (99, 204054), (142, 142263), (198, 102027), (213, 94842), (297, 68018), (426, 47421), (479, 42174), (594, 34009), (639, 31614), (781, 25866), (958, 21087), (1278, 15807), (1437, 14058), (1562, 12933), (1917, 10538), (2343, 8622), (2874, 7029), (3834, 5269), (4311, 4686)]