20478918656

素因数分解:

$2^{15}\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 256

約数和(自身を含む): 51001958400

約数和(自身を除く): 30523039744

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 37, 38, 56, 64, 74, 76, 112, 127, 128, 133, 148, 152, 224, 254, 256, 259, 266, 296, 304, 448, 508, 512, 518, 532, 592, 608, 703, 889, 896, 1016, 1024, 1036, 1064, 1184, 1216, 1406, 1778, 1792, 2032, 2048, 2072, 2128, 2368, 2413, 2432, 2812, 3556, 3584, 4064, 4096, 4144, 4256, 4699, 4736, 4826, 4864, 4921, 5624, 7112, 7168, 8128, 8192, 8288, 8512, 9398, 9472, 9652, 9728, 9842, 11248, 14224, 14336, 16256, 16384, 16576, 16891, 17024, 18796, 18944, 19304, 19456, 19684, 22496, 28448, 28672, 32512, 32768, 32893, 33152, 33782, 34048, 37592, 37888, 38608, 38912, 39368, 44992, 56896, 57344, 65024, 65786, 66304, 67564, 68096, 75184, 75776, 77216, 77824, 78736, 89281, 89984, 113792, 114688, 130048, 131572, 132608, 135128, 136192, 150368, 151552, 154432, 155648, 157472, 178562, 179968, 227584, 229376, 260096, 263144, 265216, 270256, 272384, 300736, 303104, 308864, 311296, 314944, 357124, 359936, 455168, 520192, 526288, 530432, 540512, 544768, 601472, 606208, 617728, 622592, 624967, 629888, 714248, 719872, 910336, 1040384, 1052576, 1060864, 1081024, 1089536, 1202944, 1212416, 1235456, 1249934, 1259776, 1428496, 1439744, 1820672, 2080768, 2105152, 2121728, 2162048, 2179072, 2405888, 2470912, 2499868, 2519552, 2856992, 2879488, 3641344, 4161536, 4210304, 4243456, 4324096, 4358144, 4811776, 4941824, 4999736, 5039104, 5713984, 5758976, 7282688, 8420608, 8486912, 8648192, 9623552, 9883648, 9999472, 10078208, 11427968, 11517952, 14565376, 16841216, 17296384, 19247104, 19767296, 19998944, 20156416, 22855936, 23035904, 29130752, 33682432, 34592768, 38494208, 39534592, 39997888, 40312832, 45711872, 67364864, 69185536, 76988416, 79069184, 79995776, 80625664, 91423744, 134729728, 138371072, 153976832, 159991552, 161251328, 182847488, 269459456, 276742144, 319983104, 365694976, 538918912, 553484288, 639966208, 731389952, 1077837824, 1279932416, 1462779904, 2559864832, 2925559808, 5119729664, 10239459328, 20478918656]

約数ペア:

[(1, 20478918656), (2, 10239459328), (4, 5119729664), (7, 2925559808), (8, 2559864832), (14, 1462779904), (16, 1279932416), (19, 1077837824), (28, 731389952), (32, 639966208), (37, 553484288), (38, 538918912), (56, 365694976), (64, 319983104), (74, 276742144), (76, 269459456), (112, 182847488), (127, 161251328), (128, 159991552), (133, 153976832), (148, 138371072), (152, 134729728), (224, 91423744), (254, 80625664), (256, 79995776), (259, 79069184), (266, 76988416), (296, 69185536), (304, 67364864), (448, 45711872), (508, 40312832), (512, 39997888), (518, 39534592), (532, 38494208), (592, 34592768), (608, 33682432), (703, 29130752), (889, 23035904), (896, 22855936), (1016, 20156416), (1024, 19998944), (1036, 19767296), (1064, 19247104), (1184, 17296384), (1216, 16841216), (1406, 14565376), (1778, 11517952), (1792, 11427968), (2032, 10078208), (2048, 9999472), (2072, 9883648), (2128, 9623552), (2368, 8648192), (2413, 8486912), (2432, 8420608), (2812, 7282688), (3556, 5758976), (3584, 5713984), (4064, 5039104), (4096, 4999736), (4144, 4941824), (4256, 4811776), (4699, 4358144), (4736, 4324096), (4826, 4243456), (4864, 4210304), (4921, 4161536), (5624, 3641344), (7112, 2879488), (7168, 2856992), (8128, 2519552), (8192, 2499868), (8288, 2470912), (8512, 2405888), (9398, 2179072), (9472, 2162048), (9652, 2121728), (9728, 2105152), (9842, 2080768), (11248, 1820672), (14224, 1439744), (14336, 1428496), (16256, 1259776), (16384, 1249934), (16576, 1235456), (16891, 1212416), (17024, 1202944), (18796, 1089536), (18944, 1081024), (19304, 1060864), (19456, 1052576), (19684, 1040384), (22496, 910336), (28448, 719872), (28672, 714248), (32512, 629888), (32768, 624967), (32893, 622592), (33152, 617728), (33782, 606208), (34048, 601472), (37592, 544768), (37888, 540512), (38608, 530432), (38912, 526288), (39368, 520192), (44992, 455168), (56896, 359936), (57344, 357124), (65024, 314944), (65786, 311296), (66304, 308864), (67564, 303104), (68096, 300736), (75184, 272384), (75776, 270256), (77216, 265216), (77824, 263144), (78736, 260096), (89281, 229376), (89984, 227584), (113792, 179968), (114688, 178562), (130048, 157472), (131572, 155648), (132608, 154432), (135128, 151552), (136192, 150368)]