20264475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1$

素因数の和:82

約数の個数: 96

約数和(自身を含む): 43568640

約数和(自身を除く): 23304165

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 29, 33, 35, 55, 75, 77, 87, 105, 121, 145, 165, 175, 203, 231, 275, 319, 363, 385, 435, 525, 605, 609, 725, 825, 847, 957, 1015, 1155, 1331, 1595, 1815, 1925, 2175, 2233, 2541, 3025, 3045, 3509, 3993, 4235, 4785, 5075, 5775, 6655, 6699, 7975, 9075, 9317, 10527, 11165, 12705, 15225, 17545, 19965, 21175, 23925, 24563, 27951, 33275, 33495, 38599, 46585, 52635, 55825, 63525, 73689, 87725, 99825, 115797, 122815, 139755, 167475, 192995, 232925, 263175, 270193, 368445, 578985, 614075, 698775, 810579, 964975, 1350965, 1842225, 2894925, 4052895, 6754825, 20264475]

約数ペア:

[(1, 20264475), (3, 6754825), (5, 4052895), (7, 2894925), (11, 1842225), (15, 1350965), (21, 964975), (25, 810579), (29, 698775), (33, 614075), (35, 578985), (55, 368445), (75, 270193), (77, 263175), (87, 232925), (105, 192995), (121, 167475), (145, 139755), (165, 122815), (175, 115797), (203, 99825), (231, 87725), (275, 73689), (319, 63525), (363, 55825), (385, 52635), (435, 46585), (525, 38599), (605, 33495), (609, 33275), (725, 27951), (825, 24563), (847, 23925), (957, 21175), (1015, 19965), (1155, 17545), (1331, 15225), (1595, 12705), (1815, 11165), (1925, 10527), (2175, 9317), (2233, 9075), (2541, 7975), (3025, 6699), (3045, 6655), (3509, 5775), (3993, 5075), (4235, 4785)]