20249720816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{22283}}^1$

素因数の和:22578

約数の個数: 80

約数和(自身を含む): 44913312864

約数和(自身を除く): 24663592048

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 257, 272, 442, 514, 884, 1028, 1768, 2056, 3341, 3536, 4112, 4369, 6682, 8738, 13364, 17476, 22283, 26728, 34952, 44566, 53456, 56797, 69904, 89132, 113594, 178264, 227188, 289679, 356528, 378811, 454376, 579358, 757622, 908752, 1158716, 1515244, 2317432, 3030488, 4634864, 4924543, 5726731, 6060976, 9849086, 11453462, 19698172, 22906924, 39396344, 45813848, 74447503, 78792688, 91627696, 97354427, 148895006, 194708854, 297790012, 389417708, 595580024, 778835416, 1191160048, 1265607551, 1557670832, 2531215102, 5062430204, 10124860408, 20249720816]

約数ペア:

[(1, 20249720816), (2, 10124860408), (4, 5062430204), (8, 2531215102), (13, 1557670832), (16, 1265607551), (17, 1191160048), (26, 778835416), (34, 595580024), (52, 389417708), (68, 297790012), (104, 194708854), (136, 148895006), (208, 97354427), (221, 91627696), (257, 78792688), (272, 74447503), (442, 45813848), (514, 39396344), (884, 22906924), (1028, 19698172), (1768, 11453462), (2056, 9849086), (3341, 6060976), (3536, 5726731), (4112, 4924543), (4369, 4634864), (6682, 3030488), (8738, 2317432), (13364, 1515244), (17476, 1158716), (22283, 908752), (26728, 757622), (34952, 579358), (44566, 454376), (53456, 378811), (56797, 356528), (69904, 289679), (89132, 227188), (113594, 178264)]