20145121425

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{15271}}^1$

素因数の和:15352

約数の個数: 144

約数和(自身を含む): 43426970496

約数和(自身を除く): 23281849071

約数列:

[1, 3, 5, 9, 11, 13, 15, 25, 33, 39, 41, 45, 55, 65, 75, 99, 117, 123, 143, 165, 195, 205, 225, 275, 325, 369, 429, 451, 495, 533, 585, 615, 715, 825, 975, 1025, 1287, 1353, 1599, 1845, 2145, 2255, 2475, 2665, 2925, 3075, 3575, 4059, 4797, 5863, 6435, 6765, 7995, 9225, 10725, 11275, 13325, 15271, 17589, 20295, 23985, 29315, 32175, 33825, 39975, 45813, 52767, 76355, 87945, 101475, 119925, 137439, 146575, 167981, 198523, 229065, 263835, 381775, 439725, 503943, 595569, 626111, 687195, 839905, 992615, 1145325, 1319175, 1511829, 1786707, 1878333, 2183753, 2519715, 2977845, 3130555, 3435975, 4199525, 4963075, 5634999, 6551259, 6887221, 7559145, 8139443, 8933535, 9391665, 10918765, 12598575, 14889225, 15652775, 19653777, 20661663, 24418329, 28174995, 32756295, 34436105, 37795725, 40697215, 44667675, 46958325, 54593825, 61984989, 73254987, 89533873, 98268885, 103308315, 122091645, 140874975, 163781475, 172180525, 203486075, 268601619, 309924945, 366274935, 447669365, 491344425, 516541575, 610458225, 805804857, 1343008095, 1549624725, 1831374675, 2238346825, 4029024285, 6715040475, 20145121425]

約数ペア:

[(1, 20145121425), (3, 6715040475), (5, 4029024285), (9, 2238346825), (11, 1831374675), (13, 1549624725), (15, 1343008095), (25, 805804857), (33, 610458225), (39, 516541575), (41, 491344425), (45, 447669365), (55, 366274935), (65, 309924945), (75, 268601619), (99, 203486075), (117, 172180525), (123, 163781475), (143, 140874975), (165, 122091645), (195, 103308315), (205, 98268885), (225, 89533873), (275, 73254987), (325, 61984989), (369, 54593825), (429, 46958325), (451, 44667675), (495, 40697215), (533, 37795725), (585, 34436105), (615, 32756295), (715, 28174995), (825, 24418329), (975, 20661663), (1025, 19653777), (1287, 15652775), (1353, 14889225), (1599, 12598575), (1845, 10918765), (2145, 9391665), (2255, 8933535), (2475, 8139443), (2665, 7559145), (2925, 6887221), (3075, 6551259), (3575, 5634999), (4059, 4963075), (4797, 4199525), (5863, 3435975), (6435, 3130555), (6765, 2977845), (7995, 2519715), (9225, 2183753), (10725, 1878333), (11275, 1786707), (13325, 1511829), (15271, 1319175), (17589, 1145325), (20295, 992615), (23985, 839905), (29315, 687195), (32175, 626111), (33825, 595569), (39975, 503943), (45813, 439725), (52767, 381775), (76355, 263835), (87945, 229065), (101475, 198523), (119925, 167981), (137439, 146575)]