20611866

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 47433600

約数和(自身を除く): 26821734

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 66, 87, 89, 121, 174, 178, 242, 267, 319, 363, 534, 638, 726, 957, 979, 1331, 1914, 1958, 2581, 2662, 2937, 3509, 3993, 5162, 5874, 7018, 7743, 7986, 10527, 10769, 15486, 21054, 21538, 28391, 32307, 38599, 56782, 64614, 77198, 85173, 115797, 118459, 170346, 231594, 236918, 312301, 355377, 624602, 710754, 936903, 1873806, 3435311, 6870622, 10305933, 20611866]

約数ペア:

[(1, 20611866), (2, 10305933), (3, 6870622), (6, 3435311), (11, 1873806), (22, 936903), (29, 710754), (33, 624602), (58, 355377), (66, 312301), (87, 236918), (89, 231594), (121, 170346), (174, 118459), (178, 115797), (242, 85173), (267, 77198), (319, 64614), (363, 56782), (534, 38599), (638, 32307), (726, 28391), (957, 21538), (979, 21054), (1331, 15486), (1914, 10769), (1958, 10527), (2581, 7986), (2662, 7743), (2937, 7018), (3509, 5874), (3993, 5162)]