20578806

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{773}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 50155200

約数和(自身を除く): 29576394

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 29, 34, 51, 54, 58, 87, 102, 153, 174, 261, 306, 459, 493, 522, 773, 783, 918, 986, 1479, 1546, 1566, 2319, 2958, 4437, 4638, 6957, 8874, 13141, 13311, 13914, 20871, 22417, 26282, 26622, 39423, 41742, 44834, 67251, 78846, 118269, 134502, 201753, 236538, 354807, 381089, 403506, 605259, 709614, 762178, 1143267, 1210518, 2286534, 3429801, 6859602, 10289403, 20578806]

約数ペア:

[(1, 20578806), (2, 10289403), (3, 6859602), (6, 3429801), (9, 2286534), (17, 1210518), (18, 1143267), (27, 762178), (29, 709614), (34, 605259), (51, 403506), (54, 381089), (58, 354807), (87, 236538), (102, 201753), (153, 134502), (174, 118269), (261, 78846), (306, 67251), (459, 44834), (493, 41742), (522, 39423), (773, 26622), (783, 26282), (918, 22417), (986, 20871), (1479, 13914), (1546, 13311), (1566, 13141), (2319, 8874), (2958, 6957), (4437, 4638)]