20785154688

素因数分解:

$2^7\times 3^6\times {\mathrm{29}}^1\times {\mathrm{7681}}^1$

素因数の和:7742

約数の個数: 224

約数和(自身を含む): 64232658900

約数和(自身を除く): 43447504212

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 54, 58, 64, 72, 81, 87, 96, 108, 116, 128, 144, 162, 174, 192, 216, 232, 243, 261, 288, 324, 348, 384, 432, 464, 486, 522, 576, 648, 696, 729, 783, 864, 928, 972, 1044, 1152, 1296, 1392, 1458, 1566, 1728, 1856, 1944, 2088, 2349, 2592, 2784, 2916, 3132, 3456, 3712, 3888, 4176, 4698, 5184, 5568, 5832, 6264, 7047, 7681, 7776, 8352, 9396, 10368, 11136, 11664, 12528, 14094, 15362, 15552, 16704, 18792, 21141, 23043, 23328, 25056, 28188, 30724, 31104, 33408, 37584, 42282, 46086, 46656, 50112, 56376, 61448, 69129, 75168, 84564, 92172, 93312, 100224, 112752, 122896, 138258, 150336, 169128, 184344, 207387, 222749, 225504, 245792, 276516, 300672, 338256, 368688, 414774, 445498, 451008, 491584, 553032, 622161, 668247, 676512, 737376, 829548, 890996, 902016, 983168, 1106064, 1244322, 1336494, 1353024, 1474752, 1659096, 1781992, 1866483, 2004741, 2212128, 2488644, 2672988, 2706048, 2949504, 3318192, 3563984, 3732966, 4009482, 4424256, 4977288, 5345976, 5599449, 6014223, 6636384, 7127968, 7465932, 8018964, 8848512, 9954576, 10691952, 11198898, 12028446, 13272768, 14255936, 14931864, 16037928, 18042669, 19909152, 21383904, 22397796, 24056892, 26545536, 28511872, 29863728, 32075856, 36085338, 39818304, 42767808, 44795592, 48113784, 54128007, 59727456, 64151712, 72170676, 79636608, 85535616, 89591184, 96227568, 108256014, 119454912, 128303424, 144341352, 162384021, 179182368, 192455136, 216512028, 238909824, 256606848, 288682704, 324768042, 358364736, 384910272, 433024056, 577365408, 649536084, 716729472, 769820544, 866048112, 1154730816, 1299072168, 1732096224, 2309461632, 2598144336, 3464192448, 5196288672, 6928384896, 10392577344, 20785154688]

約数ペア:

[(1, 20785154688), (2, 10392577344), (3, 6928384896), (4, 5196288672), (6, 3464192448), (8, 2598144336), (9, 2309461632), (12, 1732096224), (16, 1299072168), (18, 1154730816), (24, 866048112), (27, 769820544), (29, 716729472), (32, 649536084), (36, 577365408), (48, 433024056), (54, 384910272), (58, 358364736), (64, 324768042), (72, 288682704), (81, 256606848), (87, 238909824), (96, 216512028), (108, 192455136), (116, 179182368), (128, 162384021), (144, 144341352), (162, 128303424), (174, 119454912), (192, 108256014), (216, 96227568), (232, 89591184), (243, 85535616), (261, 79636608), (288, 72170676), (324, 64151712), (348, 59727456), (384, 54128007), (432, 48113784), (464, 44795592), (486, 42767808), (522, 39818304), (576, 36085338), (648, 32075856), (696, 29863728), (729, 28511872), (783, 26545536), (864, 24056892), (928, 22397796), (972, 21383904), (1044, 19909152), (1152, 18042669), (1296, 16037928), (1392, 14931864), (1458, 14255936), (1566, 13272768), (1728, 12028446), (1856, 11198898), (1944, 10691952), (2088, 9954576), (2349, 8848512), (2592, 8018964), (2784, 7465932), (2916, 7127968), (3132, 6636384), (3456, 6014223), (3712, 5599449), (3888, 5345976), (4176, 4977288), (4698, 4424256), (5184, 4009482), (5568, 3732966), (5832, 3563984), (6264, 3318192), (7047, 2949504), (7681, 2706048), (7776, 2672988), (8352, 2488644), (9396, 2212128), (10368, 2004741), (11136, 1866483), (11664, 1781992), (12528, 1659096), (14094, 1474752), (15362, 1353024), (15552, 1336494), (16704, 1244322), (18792, 1106064), (21141, 983168), (23043, 902016), (23328, 890996), (25056, 829548), (28188, 737376), (30724, 676512), (31104, 668247), (33408, 622161), (37584, 553032), (42282, 491584), (46086, 451008), (46656, 445498), (50112, 414774), (56376, 368688), (61448, 338256), (69129, 300672), (75168, 276516), (84564, 245792), (92172, 225504), (93312, 222749), (100224, 207387), (112752, 184344), (122896, 169128), (138258, 150336)]