20885553920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{587}}^1$

素因数の和:664

約数の個数: 432

約数和(自身を含む): 65939505408

約数和(自身を除く): 45053951488

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 55, 56, 64, 70, 76, 77, 80, 88, 95, 110, 112, 128, 133, 140, 152, 154, 160, 176, 190, 209, 220, 224, 256, 266, 280, 304, 308, 320, 352, 361, 380, 385, 418, 440, 448, 532, 560, 587, 608, 616, 640, 665, 704, 722, 760, 770, 836, 880, 896, 1045, 1064, 1120, 1174, 1216, 1232, 1280, 1330, 1408, 1444, 1463, 1520, 1540, 1672, 1760, 1792, 1805, 2090, 2128, 2240, 2348, 2432, 2464, 2527, 2660, 2816, 2888, 2926, 2935, 3040, 3080, 3344, 3520, 3610, 3971, 4109, 4180, 4256, 4480, 4696, 4864, 4928, 5054, 5320, 5776, 5852, 5870, 6080, 6160, 6457, 6688, 7040, 7220, 7315, 7942, 8218, 8360, 8512, 8960, 9392, 9856, 10108, 10640, 11153, 11552, 11704, 11740, 12160, 12320, 12635, 12914, 13376, 14080, 14440, 14630, 15884, 16436, 16720, 17024, 18784, 19712, 19855, 20216, 20545, 21280, 22306, 23104, 23408, 23480, 24320, 24640, 25270, 25828, 26752, 27797, 28880, 29260, 31768, 32285, 32872, 33440, 34048, 37568, 39710, 40432, 41090, 42560, 44612, 45199, 46208, 46816, 46960, 49280, 50540, 51656, 53504, 55594, 55765, 57760, 58520, 63536, 64570, 65744, 66880, 75136, 78071, 79420, 80864, 82180, 85120, 89224, 90398, 92416, 93632, 93920, 98560, 101080, 103312, 111188, 111530, 115520, 117040, 122683, 127072, 129140, 131488, 133760, 138985, 150272, 156142, 158840, 161728, 164360, 170240, 178448, 180796, 187264, 187840, 202160, 206624, 211907, 222376, 223060, 225995, 231040, 234080, 245366, 254144, 258280, 262976, 267520, 277970, 312284, 317680, 323456, 328720, 356896, 361592, 374528, 375680, 390355, 404320, 413248, 423814, 444752, 446120, 451990, 462080, 468160, 490732, 508288, 516560, 525952, 555940, 613415, 624568, 635360, 646912, 657440, 713792, 723184, 751360, 780710, 808640, 826496, 847628, 858781, 889504, 892240, 903980, 936320, 981464, 1016576, 1033120, 1051904, 1059535, 1111880, 1226830, 1249136, 1270720, 1314880, 1427584, 1446368, 1483349, 1561420, 1617280, 1652992, 1695256, 1717562, 1779008, 1784480, 1807960, 1872640, 1962928, 2066240, 2119070, 2223760, 2330977, 2453660, 2498272, 2541440, 2629760, 2855168, 2892736, 2966698, 3122840, 3234560, 3390512, 3435124, 3558016, 3568960, 3615920, 3925856, 4132480, 4238140, 4293905, 4447520, 4661954, 4907320, 4996544, 5082880, 5259520, 5785472, 5933396, 6245680, 6781024, 6870248, 7116032, 7137920, 7231840, 7416745, 7851712, 8264960, 8476280, 8587810, 8895040, 9323908, 9814640, 9993088, 11570944, 11654885, 11866792, 12491360, 13562048, 13740496, 14275840, 14463680, 14833490, 15703424, 16316839, 16952560, 17175620, 17790080, 18647816, 19629280, 19986176, 23309770, 23733584, 24982720, 27124096, 27480992, 28927360, 29666980, 31406848, 32633678, 33905120, 34351240, 35580160, 37295632, 39258560, 46619540, 47467168, 49965440, 54248192, 54961984, 57854720, 59333960, 65267356, 67810240, 68702480, 74591264, 78517120, 81584195, 93239080, 94934336, 99930880, 109923968, 118667920, 130534712, 135620480, 137404960, 149182528, 157034240, 163168390, 186478160, 189868672, 219847936, 237335840, 261069424, 271240960, 274809920, 298365056, 326336780, 372956320, 379737344, 474671680, 522138848, 549619840, 596730112, 652673560, 745912640, 949343360, 1044277696, 1099239680, 1305347120, 1491825280, 1898686720, 2088555392, 2610694240, 2983650560, 4177110784, 5221388480, 10442776960, 20885553920]

約数ペア:

[(1, 20885553920), (2, 10442776960), (4, 5221388480), (5, 4177110784), (7, 2983650560), (8, 2610694240), (10, 2088555392), (11, 1898686720), (14, 1491825280), (16, 1305347120), (19, 1099239680), (20, 1044277696), (22, 949343360), (28, 745912640), (32, 652673560), (35, 596730112), (38, 549619840), (40, 522138848), (44, 474671680), (55, 379737344), (56, 372956320), (64, 326336780), (70, 298365056), (76, 274809920), (77, 271240960), (80, 261069424), (88, 237335840), (95, 219847936), (110, 189868672), (112, 186478160), (128, 163168390), (133, 157034240), (140, 149182528), (152, 137404960), (154, 135620480), (160, 130534712), (176, 118667920), (190, 109923968), (209, 99930880), (220, 94934336), (224, 93239080), (256, 81584195), (266, 78517120), (280, 74591264), (304, 68702480), (308, 67810240), (320, 65267356), (352, 59333960), (361, 57854720), (380, 54961984), (385, 54248192), (418, 49965440), (440, 47467168), (448, 46619540), (532, 39258560), (560, 37295632), (587, 35580160), (608, 34351240), (616, 33905120), (640, 32633678), (665, 31406848), (704, 29666980), (722, 28927360), (760, 27480992), (770, 27124096), (836, 24982720), (880, 23733584), (896, 23309770), (1045, 19986176), (1064, 19629280), (1120, 18647816), (1174, 17790080), (1216, 17175620), (1232, 16952560), (1280, 16316839), (1330, 15703424), (1408, 14833490), (1444, 14463680), (1463, 14275840), (1520, 13740496), (1540, 13562048), (1672, 12491360), (1760, 11866792), (1792, 11654885), (1805, 11570944), (2090, 9993088), (2128, 9814640), (2240, 9323908), (2348, 8895040), (2432, 8587810), (2464, 8476280), (2527, 8264960), (2660, 7851712), (2816, 7416745), (2888, 7231840), (2926, 7137920), (2935, 7116032), (3040, 6870248), (3080, 6781024), (3344, 6245680), (3520, 5933396), (3610, 5785472), (3971, 5259520), (4109, 5082880), (4180, 4996544), (4256, 4907320), (4480, 4661954), (4696, 4447520), (4864, 4293905), (4928, 4238140), (5054, 4132480), (5320, 3925856), (5776, 3615920), (5852, 3568960), (5870, 3558016), (6080, 3435124), (6160, 3390512), (6457, 3234560), (6688, 3122840), (7040, 2966698), (7220, 2892736), (7315, 2855168), (7942, 2629760), (8218, 2541440), (8360, 2498272), (8512, 2453660), (8960, 2330977), (9392, 2223760), (9856, 2119070), (10108, 2066240), (10640, 1962928), (11153, 1872640), (11552, 1807960), (11704, 1784480), (11740, 1779008), (12160, 1717562), (12320, 1695256), (12635, 1652992), (12914, 1617280), (13376, 1561420), (14080, 1483349), (14440, 1446368), (14630, 1427584), (15884, 1314880), (16436, 1270720), (16720, 1249136), (17024, 1226830), (18784, 1111880), (19712, 1059535), (19855, 1051904), (20216, 1033120), (20545, 1016576), (21280, 981464), (22306, 936320), (23104, 903980), (23408, 892240), (23480, 889504), (24320, 858781), (24640, 847628), (25270, 826496), (25828, 808640), (26752, 780710), (27797, 751360), (28880, 723184), (29260, 713792), (31768, 657440), (32285, 646912), (32872, 635360), (33440, 624568), (34048, 613415), (37568, 555940), (39710, 525952), (40432, 516560), (41090, 508288), (42560, 490732), (44612, 468160), (45199, 462080), (46208, 451990), (46816, 446120), (46960, 444752), (49280, 423814), (50540, 413248), (51656, 404320), (53504, 390355), (55594, 375680), (55765, 374528), (57760, 361592), (58520, 356896), (63536, 328720), (64570, 323456), (65744, 317680), (66880, 312284), (75136, 277970), (78071, 267520), (79420, 262976), (80864, 258280), (82180, 254144), (85120, 245366), (89224, 234080), (90398, 231040), (92416, 225995), (93632, 223060), (93920, 222376), (98560, 211907), (101080, 206624), (103312, 202160), (111188, 187840), (111530, 187264), (115520, 180796), (117040, 178448), (122683, 170240), (127072, 164360), (129140, 161728), (131488, 158840), (133760, 156142), (138985, 150272)]