20525562

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:317

約数の個数: 80

約数和(自身を含む): 50573160

約数和(自身を除く): 30047598

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 29, 34, 51, 54, 58, 81, 87, 102, 153, 162, 174, 257, 261, 306, 459, 493, 514, 522, 771, 783, 918, 986, 1377, 1479, 1542, 1566, 2313, 2349, 2754, 2958, 4369, 4437, 4626, 4698, 6939, 7453, 8738, 8874, 13107, 13311, 13878, 14906, 20817, 22359, 26214, 26622, 39321, 39933, 41634, 44718, 67077, 78642, 79866, 117963, 126701, 134154, 201231, 235926, 253402, 353889, 380103, 402462, 603693, 707778, 760206, 1140309, 1207386, 2280618, 3420927, 6841854, 10262781, 20525562]

約数ペア:

[(1, 20525562), (2, 10262781), (3, 6841854), (6, 3420927), (9, 2280618), (17, 1207386), (18, 1140309), (27, 760206), (29, 707778), (34, 603693), (51, 402462), (54, 380103), (58, 353889), (81, 253402), (87, 235926), (102, 201231), (153, 134154), (162, 126701), (174, 117963), (257, 79866), (261, 78642), (306, 67077), (459, 44718), (493, 41634), (514, 39933), (522, 39321), (771, 26622), (783, 26214), (918, 22359), (986, 20817), (1377, 14906), (1479, 13878), (1542, 13311), (1566, 13107), (2313, 8874), (2349, 8738), (2754, 7453), (2958, 6939), (4369, 4698), (4437, 4626)]