20705971440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{3877}}^1$

素因数の和:3945

約数の個数: 480

約数和(自身を含む): 85033557504

約数和(自身を除く): 64327586064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 17, 20, 21, 22, 24, 28, 30, 33, 34, 35, 40, 42, 44, 48, 51, 55, 56, 60, 66, 68, 70, 77, 80, 84, 85, 88, 102, 105, 110, 112, 119, 120, 132, 136, 140, 154, 165, 168, 170, 176, 187, 204, 210, 220, 231, 238, 240, 255, 264, 272, 280, 289, 308, 330, 336, 340, 357, 374, 385, 408, 420, 440, 462, 476, 510, 528, 560, 561, 578, 595, 616, 660, 680, 714, 748, 770, 816, 840, 867, 880, 924, 935, 952, 1020, 1122, 1155, 1156, 1190, 1232, 1309, 1320, 1360, 1428, 1445, 1496, 1540, 1680, 1734, 1785, 1848, 1870, 1904, 2023, 2040, 2244, 2310, 2312, 2380, 2618, 2640, 2805, 2856, 2890, 2992, 3080, 3179, 3468, 3570, 3696, 3740, 3877, 3927, 4046, 4080, 4335, 4488, 4620, 4624, 4760, 5236, 5610, 5712, 5780, 6069, 6160, 6358, 6545, 6936, 7140, 7480, 7754, 7854, 8092, 8670, 8976, 9240, 9520, 9537, 10115, 10472, 11220, 11560, 11631, 12138, 12716, 13090, 13872, 14280, 14960, 15508, 15708, 15895, 16184, 17340, 18480, 19074, 19385, 19635, 20230, 20944, 22253, 22440, 23120, 23262, 24276, 25432, 26180, 27139, 28560, 30345, 31016, 31416, 31790, 32368, 34680, 38148, 38770, 39270, 40460, 42647, 44506, 44880, 46524, 47685, 48552, 50864, 52360, 54278, 58155, 60690, 62032, 62832, 63580, 65909, 66759, 69360, 76296, 77540, 78540, 80920, 81417, 85294, 89012, 93048, 95370, 97104, 104720, 108556, 111265, 116310, 121380, 127160, 127941, 131818, 133518, 135695, 152592, 155080, 157080, 161840, 162834, 170588, 178024, 186096, 190740, 197727, 213235, 217112, 222530, 232620, 242760, 254320, 255882, 263636, 267036, 271390, 298529, 310160, 314160, 325668, 329545, 333795, 341176, 356048, 381480, 395454, 407085, 426470, 434224, 445060, 461363, 465240, 485520, 511764, 527272, 534072, 542780, 597058, 639705, 651336, 659090, 667590, 682352, 724999, 762960, 790908, 814170, 852940, 890120, 895587, 922726, 930480, 988635, 1023528, 1054544, 1068144, 1085560, 1120453, 1194116, 1279410, 1302672, 1318180, 1335180, 1384089, 1449998, 1492645, 1581816, 1628340, 1705880, 1780240, 1791174, 1845452, 1977270, 2047056, 2171120, 2174997, 2240906, 2306815, 2388232, 2558820, 2636360, 2670360, 2768178, 2899996, 2985290, 3163632, 3256680, 3361359, 3411760, 3582348, 3624995, 3690904, 3954540, 4349994, 4477935, 4481812, 4613630, 4776464, 5074993, 5117640, 5272720, 5340720, 5536356, 5602265, 5799992, 5970580, 6513360, 6722718, 6920445, 7164696, 7249990, 7381808, 7843171, 7909080, 8699988, 8955870, 8963624, 9227260, 10149986, 10235280, 10874985, 11072712, 11204530, 11599984, 11941160, 12324983, 13445436, 13840890, 14329392, 14499980, 15224979, 15686342, 15818160, 16806795, 17399976, 17911740, 17927248, 18454520, 20299972, 21749970, 22145424, 22409060, 23529513, 23882320, 24649966, 25374965, 26890872, 27681780, 28999960, 30449958, 31372684, 33613590, 34799952, 35823480, 36909040, 36974949, 39215855, 40599944, 43499940, 44818120, 47059026, 49299932, 50749930, 53781744, 55363560, 57999920, 60899916, 61624915, 62745368, 67227180, 71646960, 73949898, 76124895, 78431710, 81199888, 86274881, 86999880, 89636240, 94118052, 98599864, 101499860, 110727120, 117647565, 121799832, 123249830, 125490736, 134454360, 147899796, 152249790, 156863420, 172549762, 173999760, 184874745, 188236104, 197199728, 202999720, 235295130, 243599664, 246499660, 258824643, 268908720, 295799592, 304499580, 313726840, 345099524, 369749490, 376472208, 405999440, 431374405, 470590260, 492999320, 517649286, 591599184, 608999160, 627453680, 690199048, 739498980, 862748810, 941180520, 985998640, 1035298572, 1217998320, 1294123215, 1380398096, 1478997960, 1725497620, 1882361040, 2070597144, 2588246430, 2957995920, 3450995240, 4141194288, 5176492860, 6901990480, 10352985720, 20705971440]

約数ペア:

[(1, 20705971440), (2, 10352985720), (3, 6901990480), (4, 5176492860), (5, 4141194288), (6, 3450995240), (7, 2957995920), (8, 2588246430), (10, 2070597144), (11, 1882361040), (12, 1725497620), (14, 1478997960), (15, 1380398096), (16, 1294123215), (17, 1217998320), (20, 1035298572), (21, 985998640), (22, 941180520), (24, 862748810), (28, 739498980), (30, 690199048), (33, 627453680), (34, 608999160), (35, 591599184), (40, 517649286), (42, 492999320), (44, 470590260), (48, 431374405), (51, 405999440), (55, 376472208), (56, 369749490), (60, 345099524), (66, 313726840), (68, 304499580), (70, 295799592), (77, 268908720), (80, 258824643), (84, 246499660), (85, 243599664), (88, 235295130), (102, 202999720), (105, 197199728), (110, 188236104), (112, 184874745), (119, 173999760), (120, 172549762), (132, 156863420), (136, 152249790), (140, 147899796), (154, 134454360), (165, 125490736), (168, 123249830), (170, 121799832), (176, 117647565), (187, 110727120), (204, 101499860), (210, 98599864), (220, 94118052), (231, 89636240), (238, 86999880), (240, 86274881), (255, 81199888), (264, 78431710), (272, 76124895), (280, 73949898), (289, 71646960), (308, 67227180), (330, 62745368), (336, 61624915), (340, 60899916), (357, 57999920), (374, 55363560), (385, 53781744), (408, 50749930), (420, 49299932), (440, 47059026), (462, 44818120), (476, 43499940), (510, 40599944), (528, 39215855), (560, 36974949), (561, 36909040), (578, 35823480), (595, 34799952), (616, 33613590), (660, 31372684), (680, 30449958), (714, 28999960), (748, 27681780), (770, 26890872), (816, 25374965), (840, 24649966), (867, 23882320), (880, 23529513), (924, 22409060), (935, 22145424), (952, 21749970), (1020, 20299972), (1122, 18454520), (1155, 17927248), (1156, 17911740), (1190, 17399976), (1232, 16806795), (1309, 15818160), (1320, 15686342), (1360, 15224979), (1428, 14499980), (1445, 14329392), (1496, 13840890), (1540, 13445436), (1680, 12324983), (1734, 11941160), (1785, 11599984), (1848, 11204530), (1870, 11072712), (1904, 10874985), (2023, 10235280), (2040, 10149986), (2244, 9227260), (2310, 8963624), (2312, 8955870), (2380, 8699988), (2618, 7909080), (2640, 7843171), (2805, 7381808), (2856, 7249990), (2890, 7164696), (2992, 6920445), (3080, 6722718), (3179, 6513360), (3468, 5970580), (3570, 5799992), (3696, 5602265), (3740, 5536356), (3877, 5340720), (3927, 5272720), (4046, 5117640), (4080, 5074993), (4335, 4776464), (4488, 4613630), (4620, 4481812), (4624, 4477935), (4760, 4349994), (5236, 3954540), (5610, 3690904), (5712, 3624995), (5780, 3582348), (6069, 3411760), (6160, 3361359), (6358, 3256680), (6545, 3163632), (6936, 2985290), (7140, 2899996), (7480, 2768178), (7754, 2670360), (7854, 2636360), (8092, 2558820), (8670, 2388232), (8976, 2306815), (9240, 2240906), (9520, 2174997), (9537, 2171120), (10115, 2047056), (10472, 1977270), (11220, 1845452), (11560, 1791174), (11631, 1780240), (12138, 1705880), (12716, 1628340), (13090, 1581816), (13872, 1492645), (14280, 1449998), (14960, 1384089), (15508, 1335180), (15708, 1318180), (15895, 1302672), (16184, 1279410), (17340, 1194116), (18480, 1120453), (19074, 1085560), (19385, 1068144), (19635, 1054544), (20230, 1023528), (20944, 988635), (22253, 930480), (22440, 922726), (23120, 895587), (23262, 890120), (24276, 852940), (25432, 814170), (26180, 790908), (27139, 762960), (28560, 724999), (30345, 682352), (31016, 667590), (31416, 659090), (31790, 651336), (32368, 639705), (34680, 597058), (38148, 542780), (38770, 534072), (39270, 527272), (40460, 511764), (42647, 485520), (44506, 465240), (44880, 461363), (46524, 445060), (47685, 434224), (48552, 426470), (50864, 407085), (52360, 395454), (54278, 381480), (58155, 356048), (60690, 341176), (62032, 333795), (62832, 329545), (63580, 325668), (65909, 314160), (66759, 310160), (69360, 298529), (76296, 271390), (77540, 267036), (78540, 263636), (80920, 255882), (81417, 254320), (85294, 242760), (89012, 232620), (93048, 222530), (95370, 217112), (97104, 213235), (104720, 197727), (108556, 190740), (111265, 186096), (116310, 178024), (121380, 170588), (127160, 162834), (127941, 161840), (131818, 157080), (133518, 155080), (135695, 152592)]