20996565360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1523}}^1$

素因数の和:1696

約数の個数: 320

約数和(自身を含む): 71841116160

約数和(自身を除く): 50844550800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 34, 40, 48, 51, 60, 62, 68, 80, 85, 93, 102, 109, 120, 124, 136, 155, 170, 186, 204, 218, 240, 248, 255, 272, 310, 327, 340, 372, 408, 436, 465, 496, 510, 527, 545, 620, 654, 680, 744, 816, 872, 930, 1020, 1054, 1090, 1240, 1308, 1360, 1488, 1523, 1581, 1635, 1744, 1853, 1860, 2040, 2108, 2180, 2480, 2616, 2635, 3046, 3162, 3270, 3379, 3706, 3720, 4080, 4216, 4360, 4569, 5232, 5270, 5559, 6092, 6324, 6540, 6758, 7412, 7440, 7615, 7905, 8432, 8720, 9138, 9265, 10137, 10540, 11118, 12184, 12648, 13080, 13516, 14824, 15230, 15810, 16895, 18276, 18530, 20274, 21080, 22236, 22845, 24368, 25296, 25891, 26160, 27032, 27795, 29648, 30460, 31620, 33790, 36552, 37060, 40548, 42160, 44472, 45690, 47213, 50685, 51782, 54064, 55590, 57443, 60920, 63240, 67580, 73104, 74120, 77673, 81096, 88944, 91380, 94426, 101370, 103564, 111180, 114886, 121840, 126480, 129455, 135160, 141639, 148240, 155346, 162192, 166007, 172329, 182760, 188852, 202740, 207128, 222360, 229772, 236065, 258910, 270320, 283278, 287215, 310692, 332014, 344658, 365520, 377704, 388365, 405480, 414256, 444720, 459544, 472130, 498021, 517820, 566556, 574430, 621384, 664028, 689316, 708195, 755408, 776730, 802621, 810960, 830035, 861645, 919088, 944260, 996042, 1035640, 1133112, 1148860, 1242768, 1328056, 1378632, 1416390, 1553460, 1605242, 1660070, 1723290, 1888520, 1992084, 2071280, 2266224, 2297720, 2407863, 2490105, 2656112, 2757264, 2822119, 2832780, 3106920, 3210484, 3320140, 3446580, 3777040, 3984168, 4013105, 4595440, 4815726, 4980210, 5146217, 5644238, 5665560, 6213840, 6420968, 6640280, 6893160, 7968336, 8026210, 8466357, 9631452, 9960420, 10292434, 11288476, 11331120, 12039315, 12841936, 13280560, 13786320, 14110595, 15438651, 16052420, 16932714, 19262904, 19920840, 20584868, 22576952, 24078630, 25731085, 28221190, 30877302, 32104840, 33865428, 38525808, 39841680, 41169736, 42331785, 45153904, 48157260, 51462170, 56442380, 61754604, 64209680, 67730856, 77193255, 82339472, 84663570, 87485689, 96314520, 102924340, 112884760, 123509208, 135461712, 154386510, 169327140, 174971378, 192629040, 205848680, 225769520, 247018416, 262457067, 308773020, 338654280, 349942756, 411697360, 437428445, 524914134, 617546040, 677308560, 699885512, 874856890, 1049828268, 1235092080, 1312285335, 1399771024, 1749713780, 2099656536, 2624570670, 3499427560, 4199313072, 5249141340, 6998855120, 10498282680, 20996565360]

約数ペア:

[(1, 20996565360), (2, 10498282680), (3, 6998855120), (4, 5249141340), (5, 4199313072), (6, 3499427560), (8, 2624570670), (10, 2099656536), (12, 1749713780), (15, 1399771024), (16, 1312285335), (17, 1235092080), (20, 1049828268), (24, 874856890), (30, 699885512), (31, 677308560), (34, 617546040), (40, 524914134), (48, 437428445), (51, 411697360), (60, 349942756), (62, 338654280), (68, 308773020), (80, 262457067), (85, 247018416), (93, 225769520), (102, 205848680), (109, 192629040), (120, 174971378), (124, 169327140), (136, 154386510), (155, 135461712), (170, 123509208), (186, 112884760), (204, 102924340), (218, 96314520), (240, 87485689), (248, 84663570), (255, 82339472), (272, 77193255), (310, 67730856), (327, 64209680), (340, 61754604), (372, 56442380), (408, 51462170), (436, 48157260), (465, 45153904), (496, 42331785), (510, 41169736), (527, 39841680), (545, 38525808), (620, 33865428), (654, 32104840), (680, 30877302), (744, 28221190), (816, 25731085), (872, 24078630), (930, 22576952), (1020, 20584868), (1054, 19920840), (1090, 19262904), (1240, 16932714), (1308, 16052420), (1360, 15438651), (1488, 14110595), (1523, 13786320), (1581, 13280560), (1635, 12841936), (1744, 12039315), (1853, 11331120), (1860, 11288476), (2040, 10292434), (2108, 9960420), (2180, 9631452), (2480, 8466357), (2616, 8026210), (2635, 7968336), (3046, 6893160), (3162, 6640280), (3270, 6420968), (3379, 6213840), (3706, 5665560), (3720, 5644238), (4080, 5146217), (4216, 4980210), (4360, 4815726), (4569, 4595440), (5232, 4013105), (5270, 3984168), (5559, 3777040), (6092, 3446580), (6324, 3320140), (6540, 3210484), (6758, 3106920), (7412, 2832780), (7440, 2822119), (7615, 2757264), (7905, 2656112), (8432, 2490105), (8720, 2407863), (9138, 2297720), (9265, 2266224), (10137, 2071280), (10540, 1992084), (11118, 1888520), (12184, 1723290), (12648, 1660070), (13080, 1605242), (13516, 1553460), (14824, 1416390), (15230, 1378632), (15810, 1328056), (16895, 1242768), (18276, 1148860), (18530, 1133112), (20274, 1035640), (21080, 996042), (22236, 944260), (22845, 919088), (24368, 861645), (25296, 830035), (25891, 810960), (26160, 802621), (27032, 776730), (27795, 755408), (29648, 708195), (30460, 689316), (31620, 664028), (33790, 621384), (36552, 574430), (37060, 566556), (40548, 517820), (42160, 498021), (44472, 472130), (45690, 459544), (47213, 444720), (50685, 414256), (51782, 405480), (54064, 388365), (55590, 377704), (57443, 365520), (60920, 344658), (63240, 332014), (67580, 310692), (73104, 287215), (74120, 283278), (77673, 270320), (81096, 258910), (88944, 236065), (91380, 229772), (94426, 222360), (101370, 207128), (103564, 202740), (111180, 188852), (114886, 182760), (121840, 172329), (126480, 166007), (129455, 162192), (135160, 155346), (141639, 148240)]