20408444784

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{317}}^1$

素因数の和:402

約数の個数: 480

約数和(自身を含む): 74923954560

約数和(自身を除く): 54515509776

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 17, 18, 21, 24, 26, 28, 34, 36, 39, 42, 48, 51, 52, 56, 63, 68, 72, 78, 84, 91, 102, 104, 112, 117, 119, 126, 136, 144, 153, 156, 168, 182, 204, 208, 221, 234, 238, 252, 272, 273, 289, 306, 312, 317, 336, 357, 364, 408, 442, 468, 476, 504, 546, 578, 612, 624, 634, 663, 714, 728, 816, 819, 867, 884, 936, 951, 952, 1008, 1071, 1092, 1156, 1224, 1268, 1326, 1428, 1456, 1547, 1638, 1734, 1768, 1872, 1902, 1904, 1989, 2023, 2142, 2184, 2219, 2312, 2448, 2536, 2601, 2652, 2853, 2856, 3094, 3276, 3468, 3536, 3757, 3804, 3978, 4046, 4121, 4284, 4368, 4438, 4624, 4641, 4913, 5072, 5202, 5304, 5389, 5706, 5712, 6069, 6188, 6552, 6657, 6936, 7514, 7608, 7956, 8092, 8242, 8568, 8876, 9282, 9826, 10404, 10608, 10778, 11271, 11412, 12138, 12363, 12376, 13104, 13314, 13872, 13923, 14739, 15028, 15216, 15912, 16167, 16184, 16484, 17136, 17752, 18207, 18564, 19652, 19971, 20808, 21556, 22542, 22824, 24276, 24726, 24752, 26299, 26628, 27846, 28847, 29478, 30056, 31824, 32334, 32368, 32968, 33813, 34391, 35504, 36414, 37089, 37128, 37723, 39304, 39942, 41616, 43112, 44217, 45084, 45648, 48501, 48552, 49452, 52598, 53256, 55692, 57694, 58956, 60112, 63869, 64668, 65936, 67626, 68782, 70057, 72828, 74178, 74256, 75446, 78608, 78897, 79884, 86224, 86541, 88434, 90168, 91613, 97002, 97104, 98904, 103173, 105196, 106512, 111384, 113169, 115388, 117912, 127738, 129336, 135252, 137564, 140114, 145656, 148356, 150892, 157794, 159768, 173082, 176868, 180336, 183226, 191607, 194004, 197808, 206346, 210171, 210392, 222768, 226338, 230776, 235824, 236691, 255476, 258672, 259623, 270504, 274839, 275128, 280228, 291312, 296712, 301784, 309519, 315588, 319536, 339507, 346164, 353736, 366452, 383214, 388008, 412692, 420342, 420784, 447083, 452676, 461552, 473382, 490399, 510952, 519246, 541008, 549678, 550256, 560456, 574821, 593424, 603568, 619038, 630513, 631176, 641291, 679014, 692328, 707472, 732904, 766428, 776016, 824517, 825384, 840684, 894166, 905352, 946764, 980798, 1021904, 1038492, 1099356, 1120912, 1149642, 1190969, 1238076, 1261026, 1262352, 1282582, 1341249, 1358028, 1384656, 1465808, 1471197, 1532856, 1557421, 1649034, 1650768, 1681368, 1788332, 1810704, 1893528, 1923873, 1961596, 2076984, 2198712, 2299284, 2381938, 2476152, 2522052, 2565164, 2682498, 2716056, 2942394, 3065712, 3114842, 3298068, 3362736, 3572907, 3576664, 3787056, 3847746, 3923192, 4023747, 4153968, 4397424, 4413591, 4598568, 4672263, 4763876, 4952304, 5044104, 5130328, 5364996, 5432112, 5771619, 5884788, 6229684, 6596136, 7145814, 7153328, 7695492, 7846384, 8047494, 8336783, 8827182, 9197136, 9344526, 9527752, 10088208, 10260656, 10718721, 10729992, 10901947, 11543238, 11769576, 12459368, 13192272, 14016789, 14291628, 15390984, 16094988, 16673566, 17654364, 18689052, 19055504, 20246473, 21437442, 21459984, 21803894, 23086476, 23539152, 24918736, 25010349, 28033578, 28583256, 30781968, 32189976, 32705841, 33347132, 35308728, 37378104, 40492946, 42874884, 43607788, 46172952, 50020698, 56067156, 57166512, 60739419, 64379952, 65411682, 66694264, 70617456, 74756208, 75031047, 80985892, 85749768, 87215576, 92345904, 98117523, 100041396, 112134312, 121478838, 130823364, 133388528, 141725311, 150062094, 161971784, 171499536, 174431152, 182218257, 196235046, 200082792, 224268624, 242957676, 261646728, 283450622, 300124188, 323943568, 364436514, 392470092, 400165584, 425175933, 485915352, 523293456, 566901244, 600248376, 728873028, 784940184, 850351866, 971830704, 1133802488, 1200496752, 1275527799, 1457746056, 1569880368, 1700703732, 2267604976, 2551055598, 2915492112, 3401407464, 5102111196, 6802814928, 10204222392, 20408444784]

約数ペア:

[(1, 20408444784), (2, 10204222392), (3, 6802814928), (4, 5102111196), (6, 3401407464), (7, 2915492112), (8, 2551055598), (9, 2267604976), (12, 1700703732), (13, 1569880368), (14, 1457746056), (16, 1275527799), (17, 1200496752), (18, 1133802488), (21, 971830704), (24, 850351866), (26, 784940184), (28, 728873028), (34, 600248376), (36, 566901244), (39, 523293456), (42, 485915352), (48, 425175933), (51, 400165584), (52, 392470092), (56, 364436514), (63, 323943568), (68, 300124188), (72, 283450622), (78, 261646728), (84, 242957676), (91, 224268624), (102, 200082792), (104, 196235046), (112, 182218257), (117, 174431152), (119, 171499536), (126, 161971784), (136, 150062094), (144, 141725311), (153, 133388528), (156, 130823364), (168, 121478838), (182, 112134312), (204, 100041396), (208, 98117523), (221, 92345904), (234, 87215576), (238, 85749768), (252, 80985892), (272, 75031047), (273, 74756208), (289, 70617456), (306, 66694264), (312, 65411682), (317, 64379952), (336, 60739419), (357, 57166512), (364, 56067156), (408, 50020698), (442, 46172952), (468, 43607788), (476, 42874884), (504, 40492946), (546, 37378104), (578, 35308728), (612, 33347132), (624, 32705841), (634, 32189976), (663, 30781968), (714, 28583256), (728, 28033578), (816, 25010349), (819, 24918736), (867, 23539152), (884, 23086476), (936, 21803894), (951, 21459984), (952, 21437442), (1008, 20246473), (1071, 19055504), (1092, 18689052), (1156, 17654364), (1224, 16673566), (1268, 16094988), (1326, 15390984), (1428, 14291628), (1456, 14016789), (1547, 13192272), (1638, 12459368), (1734, 11769576), (1768, 11543238), (1872, 10901947), (1902, 10729992), (1904, 10718721), (1989, 10260656), (2023, 10088208), (2142, 9527752), (2184, 9344526), (2219, 9197136), (2312, 8827182), (2448, 8336783), (2536, 8047494), (2601, 7846384), (2652, 7695492), (2853, 7153328), (2856, 7145814), (3094, 6596136), (3276, 6229684), (3468, 5884788), (3536, 5771619), (3757, 5432112), (3804, 5364996), (3978, 5130328), (4046, 5044104), (4121, 4952304), (4284, 4763876), (4368, 4672263), (4438, 4598568), (4624, 4413591), (4641, 4397424), (4913, 4153968), (5072, 4023747), (5202, 3923192), (5304, 3847746), (5389, 3787056), (5706, 3576664), (5712, 3572907), (6069, 3362736), (6188, 3298068), (6552, 3114842), (6657, 3065712), (6936, 2942394), (7514, 2716056), (7608, 2682498), (7956, 2565164), (8092, 2522052), (8242, 2476152), (8568, 2381938), (8876, 2299284), (9282, 2198712), (9826, 2076984), (10404, 1961596), (10608, 1923873), (10778, 1893528), (11271, 1810704), (11412, 1788332), (12138, 1681368), (12363, 1650768), (12376, 1649034), (13104, 1557421), (13314, 1532856), (13872, 1471197), (13923, 1465808), (14739, 1384656), (15028, 1358028), (15216, 1341249), (15912, 1282582), (16167, 1262352), (16184, 1261026), (16484, 1238076), (17136, 1190969), (17752, 1149642), (18207, 1120912), (18564, 1099356), (19652, 1038492), (19971, 1021904), (20808, 980798), (21556, 946764), (22542, 905352), (22824, 894166), (24276, 840684), (24726, 825384), (24752, 824517), (26299, 776016), (26628, 766428), (27846, 732904), (28847, 707472), (29478, 692328), (30056, 679014), (31824, 641291), (32334, 631176), (32368, 630513), (32968, 619038), (33813, 603568), (34391, 593424), (35504, 574821), (36414, 560456), (37089, 550256), (37128, 549678), (37723, 541008), (39304, 519246), (39942, 510952), (41616, 490399), (43112, 473382), (44217, 461552), (45084, 452676), (45648, 447083), (48501, 420784), (48552, 420342), (49452, 412692), (52598, 388008), (53256, 383214), (55692, 366452), (57694, 353736), (58956, 346164), (60112, 339507), (63869, 319536), (64668, 315588), (65936, 309519), (67626, 301784), (68782, 296712), (70057, 291312), (72828, 280228), (74178, 275128), (74256, 274839), (75446, 270504), (78608, 259623), (78897, 258672), (79884, 255476), (86224, 236691), (86541, 235824), (88434, 230776), (90168, 226338), (91613, 222768), (97002, 210392), (97104, 210171), (98904, 206346), (103173, 197808), (105196, 194004), (106512, 191607), (111384, 183226), (113169, 180336), (115388, 176868), (117912, 173082), (127738, 159768), (129336, 157794), (135252, 150892), (137564, 148356), (140114, 145656)]