20720349720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{3083}}^1$

素因数の和:3244

約数の個数: 384

約数和(自身を含む): 81003110400

約数和(自身を除く): 60282760680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 127, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 254, 270, 280, 294, 315, 360, 378, 381, 392, 420, 441, 490, 504, 508, 540, 588, 630, 635, 735, 756, 762, 840, 882, 889, 945, 980, 1016, 1080, 1143, 1176, 1260, 1270, 1323, 1470, 1512, 1524, 1764, 1778, 1890, 1905, 1960, 2205, 2286, 2520, 2540, 2646, 2667, 2940, 3048, 3083, 3429, 3528, 3556, 3780, 3810, 4410, 4445, 4572, 5080, 5292, 5334, 5715, 5880, 6166, 6223, 6615, 6858, 7112, 7560, 7620, 8001, 8820, 8890, 9144, 9249, 10584, 10668, 11430, 12332, 12446, 13230, 13335, 13716, 15240, 15415, 16002, 17145, 17640, 17780, 18498, 18669, 21336, 21581, 22860, 24003, 24664, 24892, 26460, 26670, 27432, 27747, 30830, 31115, 32004, 34290, 35560, 36996, 37338, 40005, 43162, 45720, 46245, 48006, 49784, 52920, 53340, 55494, 56007, 61660, 62230, 64008, 64743, 68580, 73992, 74676, 80010, 83241, 86324, 92490, 93345, 96012, 106680, 107905, 110988, 112014, 120015, 123320, 124460, 129486, 137160, 138735, 149352, 151067, 160020, 166482, 168021, 172648, 184980, 186690, 192024, 194229, 215810, 221976, 224028, 240030, 248920, 258972, 277470, 280035, 302134, 320040, 323715, 332964, 336042, 369960, 373380, 388458, 391541, 416205, 431620, 448056, 453201, 480060, 517944, 554940, 560070, 582687, 604268, 647430, 665928, 672084, 746760, 755335, 776916, 783082, 832410, 840105, 863240, 906402, 960120, 971145, 1109880, 1120140, 1165374, 1174623, 1208536, 1294860, 1344168, 1359603, 1510670, 1553832, 1566164, 1664820, 1680210, 1812804, 1942290, 1957705, 2240280, 2266005, 2330748, 2349246, 2589720, 2719206, 2740787, 2913435, 3021340, 3132328, 3329640, 3360420, 3523869, 3625608, 3884580, 3915410, 4078809, 4532010, 4661496, 4698492, 5438412, 5481574, 5826870, 5873115, 6042680, 6720840, 6798015, 7047738, 7769160, 7830820, 8157618, 8222361, 9064020, 9396984, 10571607, 10876824, 10963148, 11653740, 11746230, 13596030, 13703935, 14095476, 15661640, 16315236, 16444722, 17619345, 18128040, 19185509, 20394045, 21143214, 21926296, 23307480, 23492460, 24667083, 27192060, 27407870, 28190952, 32630472, 32889444, 35238690, 38371018, 40788090, 41111805, 42286428, 46984920, 49334166, 52858035, 54384120, 54815740, 57556527, 65778888, 70477380, 74001249, 76742036, 81576180, 82223610, 84572856, 95927545, 98668332, 105716070, 109631480, 115113054, 123335415, 140954760, 148002498, 153484072, 163152360, 164447220, 172669581, 191855090, 197336664, 211432140, 230226108, 246670830, 287782635, 296004996, 328894440, 345339162, 370006245, 383710180, 422864280, 460452216, 493341660, 518008743, 575565270, 592009992, 690678324, 740012490, 767420360, 863347905, 986683320, 1036017486, 1151130540, 1381356648, 1480024980, 1726695810, 2072034972, 2302261080, 2590043715, 2960049960, 3453391620, 4144069944, 5180087430, 6906783240, 10360174860, 20720349720]

約数ペア:

[(1, 20720349720), (2, 10360174860), (3, 6906783240), (4, 5180087430), (5, 4144069944), (6, 3453391620), (7, 2960049960), (8, 2590043715), (9, 2302261080), (10, 2072034972), (12, 1726695810), (14, 1480024980), (15, 1381356648), (18, 1151130540), (20, 1036017486), (21, 986683320), (24, 863347905), (27, 767420360), (28, 740012490), (30, 690678324), (35, 592009992), (36, 575565270), (40, 518008743), (42, 493341660), (45, 460452216), (49, 422864280), (54, 383710180), (56, 370006245), (60, 345339162), (63, 328894440), (70, 296004996), (72, 287782635), (84, 246670830), (90, 230226108), (98, 211432140), (105, 197336664), (108, 191855090), (120, 172669581), (126, 164447220), (127, 163152360), (135, 153484072), (140, 148002498), (147, 140954760), (168, 123335415), (180, 115113054), (189, 109631480), (196, 105716070), (210, 98668332), (216, 95927545), (245, 84572856), (252, 82223610), (254, 81576180), (270, 76742036), (280, 74001249), (294, 70477380), (315, 65778888), (360, 57556527), (378, 54815740), (381, 54384120), (392, 52858035), (420, 49334166), (441, 46984920), (490, 42286428), (504, 41111805), (508, 40788090), (540, 38371018), (588, 35238690), (630, 32889444), (635, 32630472), (735, 28190952), (756, 27407870), (762, 27192060), (840, 24667083), (882, 23492460), (889, 23307480), (945, 21926296), (980, 21143214), (1016, 20394045), (1080, 19185509), (1143, 18128040), (1176, 17619345), (1260, 16444722), (1270, 16315236), (1323, 15661640), (1470, 14095476), (1512, 13703935), (1524, 13596030), (1764, 11746230), (1778, 11653740), (1890, 10963148), (1905, 10876824), (1960, 10571607), (2205, 9396984), (2286, 9064020), (2520, 8222361), (2540, 8157618), (2646, 7830820), (2667, 7769160), (2940, 7047738), (3048, 6798015), (3083, 6720840), (3429, 6042680), (3528, 5873115), (3556, 5826870), (3780, 5481574), (3810, 5438412), (4410, 4698492), (4445, 4661496), (4572, 4532010), (5080, 4078809), (5292, 3915410), (5334, 3884580), (5715, 3625608), (5880, 3523869), (6166, 3360420), (6223, 3329640), (6615, 3132328), (6858, 3021340), (7112, 2913435), (7560, 2740787), (7620, 2719206), (8001, 2589720), (8820, 2349246), (8890, 2330748), (9144, 2266005), (9249, 2240280), (10584, 1957705), (10668, 1942290), (11430, 1812804), (12332, 1680210), (12446, 1664820), (13230, 1566164), (13335, 1553832), (13716, 1510670), (15240, 1359603), (15415, 1344168), (16002, 1294860), (17145, 1208536), (17640, 1174623), (17780, 1165374), (18498, 1120140), (18669, 1109880), (21336, 971145), (21581, 960120), (22860, 906402), (24003, 863240), (24664, 840105), (24892, 832410), (26460, 783082), (26670, 776916), (27432, 755335), (27747, 746760), (30830, 672084), (31115, 665928), (32004, 647430), (34290, 604268), (35560, 582687), (36996, 560070), (37338, 554940), (40005, 517944), (43162, 480060), (45720, 453201), (46245, 448056), (48006, 431620), (49784, 416205), (52920, 391541), (53340, 388458), (55494, 373380), (56007, 369960), (61660, 336042), (62230, 332964), (64008, 323715), (64743, 320040), (68580, 302134), (73992, 280035), (74676, 277470), (80010, 258972), (83241, 248920), (86324, 240030), (92490, 224028), (93345, 221976), (96012, 215810), (106680, 194229), (107905, 192024), (110988, 186690), (112014, 184980), (120015, 172648), (123320, 168021), (124460, 166482), (129486, 160020), (137160, 151067), (138735, 149352)]