20199789675

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{15803}}^1$

素因数の和:15874

約数の個数: 144

約数和(自身を含む): 42799760640

約数和(自身を除く): 22599970965

約数列:

[1, 3, 5, 9, 13, 15, 19, 23, 25, 39, 45, 57, 65, 69, 75, 95, 115, 117, 171, 195, 207, 225, 247, 285, 299, 325, 345, 437, 475, 575, 585, 741, 855, 897, 975, 1035, 1235, 1311, 1425, 1495, 1725, 2185, 2223, 2691, 2925, 3705, 3933, 4275, 4485, 5175, 5681, 6175, 6555, 7475, 10925, 11115, 13455, 15803, 17043, 18525, 19665, 22425, 28405, 32775, 47409, 51129, 55575, 67275, 79015, 85215, 98325, 142025, 142227, 205439, 237045, 255645, 300257, 363469, 395075, 426075, 616317, 711135, 900771, 1027195, 1090407, 1185225, 1278225, 1501285, 1817345, 1848951, 2702313, 3081585, 3271221, 3555675, 3903341, 4503855, 4725097, 5135975, 5452035, 6905911, 7506425, 9086725, 9244755, 11710023, 13511565, 14175291, 15407925, 16356105, 19516705, 20717733, 22519275, 23625485, 27260175, 34529555, 35130069, 42525873, 46223775, 58550115, 62153199, 67557825, 70876455, 81780525, 89776843, 97583525, 103588665, 118127425, 172647775, 175650345, 212629365, 269330529, 292750575, 310765995, 354382275, 448884215, 517943325, 807991587, 878251725, 1063146825, 1346652645, 1553829975, 2244421075, 4039957935, 6733263225, 20199789675]

約数ペア:

[(1, 20199789675), (3, 6733263225), (5, 4039957935), (9, 2244421075), (13, 1553829975), (15, 1346652645), (19, 1063146825), (23, 878251725), (25, 807991587), (39, 517943325), (45, 448884215), (57, 354382275), (65, 310765995), (69, 292750575), (75, 269330529), (95, 212629365), (115, 175650345), (117, 172647775), (171, 118127425), (195, 103588665), (207, 97583525), (225, 89776843), (247, 81780525), (285, 70876455), (299, 67557825), (325, 62153199), (345, 58550115), (437, 46223775), (475, 42525873), (575, 35130069), (585, 34529555), (741, 27260175), (855, 23625485), (897, 22519275), (975, 20717733), (1035, 19516705), (1235, 16356105), (1311, 15407925), (1425, 14175291), (1495, 13511565), (1725, 11710023), (2185, 9244755), (2223, 9086725), (2691, 7506425), (2925, 6905911), (3705, 5452035), (3933, 5135975), (4275, 4725097), (4485, 4503855), (5175, 3903341), (5681, 3555675), (6175, 3271221), (6555, 3081585), (7475, 2702313), (10925, 1848951), (11115, 1817345), (13455, 1501285), (15803, 1278225), (17043, 1185225), (18525, 1090407), (19665, 1027195), (22425, 900771), (28405, 711135), (32775, 616317), (47409, 426075), (51129, 395075), (55575, 363469), (67275, 300257), (79015, 255645), (85215, 237045), (98325, 205439), (142025, 142227)]