20391038640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6869}}^1$

素因数の和:6945

約数の個数: 480

約数和(自身を含む): 85051699200

約数和(自身を除く): 64660660560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 31, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 62, 63, 70, 72, 76, 80, 84, 90, 93, 95, 105, 112, 114, 120, 124, 126, 133, 140, 144, 152, 155, 168, 171, 180, 186, 190, 210, 217, 228, 240, 248, 252, 266, 279, 280, 285, 304, 310, 315, 336, 342, 360, 372, 380, 399, 420, 434, 456, 465, 496, 504, 532, 558, 560, 570, 589, 620, 630, 651, 665, 684, 720, 744, 760, 798, 840, 855, 868, 912, 930, 1008, 1064, 1085, 1116, 1140, 1178, 1197, 1240, 1260, 1302, 1330, 1368, 1395, 1488, 1520, 1596, 1680, 1710, 1736, 1767, 1860, 1953, 1995, 2128, 2170, 2232, 2280, 2356, 2394, 2480, 2520, 2604, 2660, 2736, 2790, 2945, 3192, 3255, 3420, 3472, 3534, 3720, 3906, 3990, 4123, 4340, 4464, 4560, 4712, 4788, 5040, 5208, 5301, 5320, 5580, 5890, 5985, 6384, 6510, 6840, 6869, 7068, 7440, 7812, 7980, 8246, 8680, 8835, 9424, 9576, 9765, 10416, 10602, 10640, 11160, 11780, 11970, 12369, 13020, 13680, 13738, 14136, 15624, 15960, 16492, 17360, 17670, 19152, 19530, 20607, 20615, 21204, 22320, 23560, 23940, 24738, 26040, 26505, 27476, 28272, 31248, 31920, 32984, 34345, 35340, 37107, 39060, 41214, 41230, 42408, 47120, 47880, 48083, 49476, 52080, 53010, 54952, 61821, 61845, 65968, 68690, 70680, 74214, 78120, 82428, 82460, 84816, 95760, 96166, 98952, 103035, 106020, 109904, 123642, 123690, 130511, 137380, 141360, 144249, 148428, 156240, 164856, 164920, 185535, 192332, 197904, 206070, 212040, 212939, 240415, 247284, 247380, 261022, 274760, 288498, 296856, 309105, 329712, 329840, 371070, 384664, 391533, 412140, 424080, 425878, 432747, 480830, 494568, 494760, 522044, 549520, 576996, 593712, 618210, 638817, 652555, 721245, 742140, 769328, 783066, 824280, 851756, 865494, 913577, 961660, 989136, 989520, 1044088, 1064695, 1153992, 1174599, 1236420, 1277634, 1305110, 1442490, 1484280, 1490573, 1566132, 1648560, 1703512, 1730988, 1827154, 1916451, 1923320, 1957665, 2088176, 2129390, 2163735, 2307984, 2349198, 2472840, 2555268, 2610220, 2740731, 2884980, 2968560, 2981146, 3132264, 3194085, 3407024, 3461976, 3654308, 3832902, 3846640, 3915330, 4045841, 4258780, 4327470, 4471719, 4567885, 4698396, 4945680, 5110536, 5220440, 5481462, 5769960, 5872995, 5962292, 6264528, 6388170, 6923952, 7308616, 7452865, 7665804, 7830660, 8091682, 8222193, 8517560, 8654940, 8943438, 9135770, 9396792, 9582255, 10221072, 10440880, 10962924, 11539920, 11745990, 11924584, 12137523, 12776340, 13415157, 13703655, 14617232, 14905730, 15331608, 15661320, 16183364, 16444386, 17035120, 17309880, 17886876, 18271540, 18793584, 19164510, 20229205, 21925848, 22358595, 23491980, 23849168, 24275046, 25552680, 26830314, 27407310, 28320887, 29811460, 30663216, 31322640, 32366728, 32888772, 34619760, 35773752, 36412569, 36543080, 38329020, 40458410, 41110965, 43851696, 44717190, 46983960, 48550092, 51105360, 53660628, 54814620, 56641774, 59622920, 60687615, 64733456, 65777544, 67075785, 71547504, 72825138, 73086160, 76658040, 80916820, 82221930, 84962661, 89434380, 93967920, 97100184, 107321256, 109629240, 113283548, 119245840, 121375230, 131555088, 134151570, 141604435, 145650276, 153316080, 161833640, 164443860, 169925322, 178868760, 182062845, 194200368, 214642512, 219258480, 226567096, 242750460, 254887983, 268303140, 283208870, 291300552, 323667280, 328887720, 339850644, 357737520, 364125690, 424813305, 453134192, 485500920, 509775966, 536606280, 566417740, 582601104, 657775440, 679701288, 728251380, 849626610, 971001840, 1019551932, 1073212560, 1132835480, 1274439915, 1359402576, 1456502760, 1699253220, 2039103864, 2265670960, 2548879830, 2913005520, 3398506440, 4078207728, 5097759660, 6797012880, 10195519320, 20391038640]

約数ペア:

[(1, 20391038640), (2, 10195519320), (3, 6797012880), (4, 5097759660), (5, 4078207728), (6, 3398506440), (7, 2913005520), (8, 2548879830), (9, 2265670960), (10, 2039103864), (12, 1699253220), (14, 1456502760), (15, 1359402576), (16, 1274439915), (18, 1132835480), (19, 1073212560), (20, 1019551932), (21, 971001840), (24, 849626610), (28, 728251380), (30, 679701288), (31, 657775440), (35, 582601104), (36, 566417740), (38, 536606280), (40, 509775966), (42, 485500920), (45, 453134192), (48, 424813305), (56, 364125690), (57, 357737520), (60, 339850644), (62, 328887720), (63, 323667280), (70, 291300552), (72, 283208870), (76, 268303140), (80, 254887983), (84, 242750460), (90, 226567096), (93, 219258480), (95, 214642512), (105, 194200368), (112, 182062845), (114, 178868760), (120, 169925322), (124, 164443860), (126, 161833640), (133, 153316080), (140, 145650276), (144, 141604435), (152, 134151570), (155, 131555088), (168, 121375230), (171, 119245840), (180, 113283548), (186, 109629240), (190, 107321256), (210, 97100184), (217, 93967920), (228, 89434380), (240, 84962661), (248, 82221930), (252, 80916820), (266, 76658040), (279, 73086160), (280, 72825138), (285, 71547504), (304, 67075785), (310, 65777544), (315, 64733456), (336, 60687615), (342, 59622920), (360, 56641774), (372, 54814620), (380, 53660628), (399, 51105360), (420, 48550092), (434, 46983960), (456, 44717190), (465, 43851696), (496, 41110965), (504, 40458410), (532, 38329020), (558, 36543080), (560, 36412569), (570, 35773752), (589, 34619760), (620, 32888772), (630, 32366728), (651, 31322640), (665, 30663216), (684, 29811460), (720, 28320887), (744, 27407310), (760, 26830314), (798, 25552680), (840, 24275046), (855, 23849168), (868, 23491980), (912, 22358595), (930, 21925848), (1008, 20229205), (1064, 19164510), (1085, 18793584), (1116, 18271540), (1140, 17886876), (1178, 17309880), (1197, 17035120), (1240, 16444386), (1260, 16183364), (1302, 15661320), (1330, 15331608), (1368, 14905730), (1395, 14617232), (1488, 13703655), (1520, 13415157), (1596, 12776340), (1680, 12137523), (1710, 11924584), (1736, 11745990), (1767, 11539920), (1860, 10962924), (1953, 10440880), (1995, 10221072), (2128, 9582255), (2170, 9396792), (2232, 9135770), (2280, 8943438), (2356, 8654940), (2394, 8517560), (2480, 8222193), (2520, 8091682), (2604, 7830660), (2660, 7665804), (2736, 7452865), (2790, 7308616), (2945, 6923952), (3192, 6388170), (3255, 6264528), (3420, 5962292), (3472, 5872995), (3534, 5769960), (3720, 5481462), (3906, 5220440), (3990, 5110536), (4123, 4945680), (4340, 4698396), (4464, 4567885), (4560, 4471719), (4712, 4327470), (4788, 4258780), (5040, 4045841), (5208, 3915330), (5301, 3846640), (5320, 3832902), (5580, 3654308), (5890, 3461976), (5985, 3407024), (6384, 3194085), (6510, 3132264), (6840, 2981146), (6869, 2968560), (7068, 2884980), (7440, 2740731), (7812, 2610220), (7980, 2555268), (8246, 2472840), (8680, 2349198), (8835, 2307984), (9424, 2163735), (9576, 2129390), (9765, 2088176), (10416, 1957665), (10602, 1923320), (10640, 1916451), (11160, 1827154), (11780, 1730988), (11970, 1703512), (12369, 1648560), (13020, 1566132), (13680, 1490573), (13738, 1484280), (14136, 1442490), (15624, 1305110), (15960, 1277634), (16492, 1236420), (17360, 1174599), (17670, 1153992), (19152, 1064695), (19530, 1044088), (20607, 989520), (20615, 989136), (21204, 961660), (22320, 913577), (23560, 865494), (23940, 851756), (24738, 824280), (26040, 783066), (26505, 769328), (27476, 742140), (28272, 721245), (31248, 652555), (31920, 638817), (32984, 618210), (34345, 593712), (35340, 576996), (37107, 549520), (39060, 522044), (41214, 494760), (41230, 494568), (42408, 480830), (47120, 432747), (47880, 425878), (48083, 424080), (49476, 412140), (52080, 391533), (53010, 384664), (54952, 371070), (61821, 329840), (61845, 329712), (65968, 309105), (68690, 296856), (70680, 288498), (74214, 274760), (78120, 261022), (82428, 247380), (82460, 247284), (84816, 240415), (95760, 212939), (96166, 212040), (98952, 206070), (103035, 197904), (106020, 192332), (109904, 185535), (123642, 164920), (123690, 164856), (130511, 156240), (137380, 148428), (141360, 144249)]