20689196640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{647}}^1$

素因数の和:1010

約数の個数: 384

約数和(自身を含む): 77253378048

約数和(自身を除く): 56564181408

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 210, 217, 224, 240, 248, 280, 307, 310, 336, 372, 420, 434, 465, 480, 496, 560, 614, 620, 647, 651, 672, 744, 840, 868, 921, 930, 992, 1085, 1120, 1228, 1240, 1294, 1302, 1488, 1535, 1680, 1736, 1842, 1860, 1941, 2149, 2170, 2456, 2480, 2588, 2604, 2976, 3070, 3235, 3255, 3360, 3472, 3684, 3720, 3882, 4298, 4340, 4529, 4605, 4912, 4960, 5176, 5208, 6140, 6447, 6470, 6510, 6944, 7368, 7440, 7764, 8596, 8680, 9058, 9210, 9517, 9705, 9824, 10352, 10416, 10745, 12280, 12894, 12940, 13020, 13587, 14736, 14880, 15528, 17192, 17360, 18116, 18420, 19034, 19410, 20057, 20704, 20832, 21490, 22645, 24560, 25788, 25880, 26040, 27174, 28551, 29472, 31056, 32235, 34384, 34720, 36232, 36840, 38068, 38820, 40114, 42980, 45290, 47585, 49120, 51576, 51760, 52080, 54348, 57102, 60171, 62112, 64470, 66619, 67935, 68768, 72464, 73680, 76136, 77640, 80228, 85960, 90580, 95170, 100285, 103152, 103520, 104160, 108696, 114204, 120342, 128940, 133238, 135870, 140399, 142755, 144928, 147360, 152272, 155280, 160456, 171920, 181160, 190340, 198629, 199857, 200570, 206304, 217392, 228408, 240684, 257880, 266476, 271740, 280798, 285510, 300855, 304544, 310560, 320912, 333095, 343840, 362320, 380680, 397258, 399714, 401140, 421197, 434784, 456816, 481368, 515760, 532952, 543480, 561596, 571020, 595887, 601710, 641824, 666190, 701995, 724640, 761360, 794516, 799428, 802280, 842394, 913632, 962736, 993145, 999285, 1031520, 1065904, 1086960, 1123192, 1142040, 1191774, 1203420, 1332380, 1390403, 1403990, 1522720, 1589032, 1598856, 1604560, 1684788, 1925472, 1986290, 1998570, 2105985, 2131808, 2173920, 2246384, 2284080, 2383548, 2406840, 2664760, 2780806, 2807980, 2979435, 3178064, 3197712, 3209120, 3369576, 3972580, 3997140, 4171209, 4211970, 4492768, 4568160, 4767096, 4813680, 5329520, 5561612, 5615960, 5958870, 6157499, 6356128, 6395424, 6739152, 6952015, 7945160, 7994280, 8342418, 8423940, 9534192, 9627360, 10659040, 11123224, 11231920, 11917740, 12314998, 13478304, 13904030, 15890320, 15988560, 16684836, 16847880, 18472497, 19068384, 20856045, 22246448, 22463840, 23835480, 24629996, 27808060, 30787495, 31780640, 31977120, 33369672, 33695760, 36944994, 41712090, 43102493, 44492896, 47670960, 49259992, 55616120, 61574990, 66739344, 67391520, 73889988, 83424180, 86204986, 92362485, 95341920, 98519984, 111232240, 123149980, 129307479, 133478688, 147779976, 166848360, 172409972, 184724970, 197039968, 215512465, 222464480, 246299960, 258614958, 295559952, 333696720, 344819944, 369449940, 431024930, 492599920, 517229916, 591119904, 646537395, 667393440, 689639888, 738899880, 862049860, 985199840, 1034459832, 1293074790, 1379279776, 1477799760, 1724099720, 2068919664, 2586149580, 2955599520, 3448199440, 4137839328, 5172299160, 6896398880, 10344598320, 20689196640]

約数ペア:

[(1, 20689196640), (2, 10344598320), (3, 6896398880), (4, 5172299160), (5, 4137839328), (6, 3448199440), (7, 2955599520), (8, 2586149580), (10, 2068919664), (12, 1724099720), (14, 1477799760), (15, 1379279776), (16, 1293074790), (20, 1034459832), (21, 985199840), (24, 862049860), (28, 738899880), (30, 689639888), (31, 667393440), (32, 646537395), (35, 591119904), (40, 517229916), (42, 492599920), (48, 431024930), (56, 369449940), (60, 344819944), (62, 333696720), (70, 295559952), (80, 258614958), (84, 246299960), (93, 222464480), (96, 215512465), (105, 197039968), (112, 184724970), (120, 172409972), (124, 166848360), (140, 147779976), (155, 133478688), (160, 129307479), (168, 123149980), (186, 111232240), (210, 98519984), (217, 95341920), (224, 92362485), (240, 86204986), (248, 83424180), (280, 73889988), (307, 67391520), (310, 66739344), (336, 61574990), (372, 55616120), (420, 49259992), (434, 47670960), (465, 44492896), (480, 43102493), (496, 41712090), (560, 36944994), (614, 33695760), (620, 33369672), (647, 31977120), (651, 31780640), (672, 30787495), (744, 27808060), (840, 24629996), (868, 23835480), (921, 22463840), (930, 22246448), (992, 20856045), (1085, 19068384), (1120, 18472497), (1228, 16847880), (1240, 16684836), (1294, 15988560), (1302, 15890320), (1488, 13904030), (1535, 13478304), (1680, 12314998), (1736, 11917740), (1842, 11231920), (1860, 11123224), (1941, 10659040), (2149, 9627360), (2170, 9534192), (2456, 8423940), (2480, 8342418), (2588, 7994280), (2604, 7945160), (2976, 6952015), (3070, 6739152), (3235, 6395424), (3255, 6356128), (3360, 6157499), (3472, 5958870), (3684, 5615960), (3720, 5561612), (3882, 5329520), (4298, 4813680), (4340, 4767096), (4529, 4568160), (4605, 4492768), (4912, 4211970), (4960, 4171209), (5176, 3997140), (5208, 3972580), (6140, 3369576), (6447, 3209120), (6470, 3197712), (6510, 3178064), (6944, 2979435), (7368, 2807980), (7440, 2780806), (7764, 2664760), (8596, 2406840), (8680, 2383548), (9058, 2284080), (9210, 2246384), (9517, 2173920), (9705, 2131808), (9824, 2105985), (10352, 1998570), (10416, 1986290), (10745, 1925472), (12280, 1684788), (12894, 1604560), (12940, 1598856), (13020, 1589032), (13587, 1522720), (14736, 1403990), (14880, 1390403), (15528, 1332380), (17192, 1203420), (17360, 1191774), (18116, 1142040), (18420, 1123192), (19034, 1086960), (19410, 1065904), (20057, 1031520), (20704, 999285), (20832, 993145), (21490, 962736), (22645, 913632), (24560, 842394), (25788, 802280), (25880, 799428), (26040, 794516), (27174, 761360), (28551, 724640), (29472, 701995), (31056, 666190), (32235, 641824), (34384, 601710), (34720, 595887), (36232, 571020), (36840, 561596), (38068, 543480), (38820, 532952), (40114, 515760), (42980, 481368), (45290, 456816), (47585, 434784), (49120, 421197), (51576, 401140), (51760, 399714), (52080, 397258), (54348, 380680), (57102, 362320), (60171, 343840), (62112, 333095), (64470, 320912), (66619, 310560), (67935, 304544), (68768, 300855), (72464, 285510), (73680, 280798), (76136, 271740), (77640, 266476), (80228, 257880), (85960, 240684), (90580, 228408), (95170, 217392), (100285, 206304), (103152, 200570), (103520, 199857), (104160, 198629), (108696, 190340), (114204, 181160), (120342, 171920), (128940, 160456), (133238, 155280), (135870, 152272), (140399, 147360), (142755, 144928)]