20715657984

素因数分解:

$2^8\times 3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3319}}^1$

素因数の和:3397

約数の個数: 360

約数和(自身を含む): 72258179840

約数和(自身を除く): 51542521856

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 43, 48, 54, 56, 63, 64, 72, 81, 84, 86, 96, 108, 112, 126, 128, 129, 144, 162, 168, 172, 189, 192, 216, 224, 252, 256, 258, 288, 301, 324, 336, 344, 378, 384, 387, 432, 448, 504, 516, 567, 576, 602, 648, 672, 688, 756, 768, 774, 864, 896, 903, 1008, 1032, 1134, 1152, 1161, 1204, 1296, 1344, 1376, 1512, 1548, 1728, 1792, 1806, 2016, 2064, 2268, 2304, 2322, 2408, 2592, 2688, 2709, 2752, 3024, 3096, 3319, 3456, 3483, 3612, 4032, 4128, 4536, 4644, 4816, 5184, 5376, 5418, 5504, 6048, 6192, 6638, 6912, 6966, 7224, 8064, 8127, 8256, 9072, 9288, 9632, 9957, 10368, 10836, 11008, 12096, 12384, 13276, 13932, 14448, 16128, 16254, 16512, 18144, 18576, 19264, 19914, 20736, 21672, 23233, 24192, 24381, 24768, 26552, 27864, 28896, 29871, 32508, 33024, 36288, 37152, 38528, 39828, 43344, 46466, 48384, 48762, 49536, 53104, 55728, 57792, 59742, 65016, 69699, 72576, 74304, 77056, 79656, 86688, 89613, 92932, 97524, 99072, 106208, 111456, 115584, 119484, 130032, 139398, 142717, 145152, 148608, 159312, 173376, 179226, 185864, 195048, 209097, 212416, 222912, 231168, 238968, 260064, 268839, 278796, 285434, 297216, 318624, 346752, 358452, 371728, 390096, 418194, 424832, 428151, 445824, 477936, 520128, 537678, 557592, 570868, 627291, 637248, 693504, 716904, 743456, 780192, 836388, 849664, 856302, 891648, 955872, 999019, 1040256, 1075356, 1115184, 1141736, 1254582, 1274496, 1284453, 1433808, 1486912, 1560384, 1672776, 1712604, 1881873, 1911744, 1998038, 2080512, 2150712, 2230368, 2283472, 2509164, 2548992, 2568906, 2867616, 2973824, 2997057, 3120768, 3345552, 3425208, 3763746, 3823488, 3853359, 3996076, 4301424, 4460736, 4566944, 5018328, 5137812, 5735232, 5947648, 5994114, 6241536, 6691104, 6850416, 7527492, 7646976, 7706718, 7992152, 8602848, 8921472, 8991171, 9133888, 10036656, 10275624, 11470464, 11560077, 11988228, 13382208, 13700832, 15054984, 15413436, 15984304, 17205696, 17842944, 17982342, 18267776, 20073312, 20551248, 22940928, 23120154, 23976456, 26764416, 26973513, 27401664, 30109968, 30826872, 31968608, 34411392, 35964684, 36535552, 40146624, 41102496, 46240308, 47952912, 53528832, 53947026, 54803328, 60219936, 61653744, 63937216, 68822784, 71929368, 80293248, 80920539, 82204992, 92480616, 95905824, 107894052, 109606656, 120439872, 123307488, 127874432, 143858736, 160586496, 161841078, 164409984, 184961232, 191811648, 215788104, 240879744, 246614976, 255748864, 287717472, 323682156, 328819968, 369922464, 383623296, 431576208, 481759488, 493229952, 575434944, 647364312, 739844928, 767246592, 863152416, 986459904, 1150869888, 1294728624, 1479689856, 1726304832, 2301739776, 2589457248, 2959379712, 3452609664, 5178914496, 6905219328, 10357828992, 20715657984]

約数ペア:

[(1, 20715657984), (2, 10357828992), (3, 6905219328), (4, 5178914496), (6, 3452609664), (7, 2959379712), (8, 2589457248), (9, 2301739776), (12, 1726304832), (14, 1479689856), (16, 1294728624), (18, 1150869888), (21, 986459904), (24, 863152416), (27, 767246592), (28, 739844928), (32, 647364312), (36, 575434944), (42, 493229952), (43, 481759488), (48, 431576208), (54, 383623296), (56, 369922464), (63, 328819968), (64, 323682156), (72, 287717472), (81, 255748864), (84, 246614976), (86, 240879744), (96, 215788104), (108, 191811648), (112, 184961232), (126, 164409984), (128, 161841078), (129, 160586496), (144, 143858736), (162, 127874432), (168, 123307488), (172, 120439872), (189, 109606656), (192, 107894052), (216, 95905824), (224, 92480616), (252, 82204992), (256, 80920539), (258, 80293248), (288, 71929368), (301, 68822784), (324, 63937216), (336, 61653744), (344, 60219936), (378, 54803328), (384, 53947026), (387, 53528832), (432, 47952912), (448, 46240308), (504, 41102496), (516, 40146624), (567, 36535552), (576, 35964684), (602, 34411392), (648, 31968608), (672, 30826872), (688, 30109968), (756, 27401664), (768, 26973513), (774, 26764416), (864, 23976456), (896, 23120154), (903, 22940928), (1008, 20551248), (1032, 20073312), (1134, 18267776), (1152, 17982342), (1161, 17842944), (1204, 17205696), (1296, 15984304), (1344, 15413436), (1376, 15054984), (1512, 13700832), (1548, 13382208), (1728, 11988228), (1792, 11560077), (1806, 11470464), (2016, 10275624), (2064, 10036656), (2268, 9133888), (2304, 8991171), (2322, 8921472), (2408, 8602848), (2592, 7992152), (2688, 7706718), (2709, 7646976), (2752, 7527492), (3024, 6850416), (3096, 6691104), (3319, 6241536), (3456, 5994114), (3483, 5947648), (3612, 5735232), (4032, 5137812), (4128, 5018328), (4536, 4566944), (4644, 4460736), (4816, 4301424), (5184, 3996076), (5376, 3853359), (5418, 3823488), (5504, 3763746), (6048, 3425208), (6192, 3345552), (6638, 3120768), (6912, 2997057), (6966, 2973824), (7224, 2867616), (8064, 2568906), (8127, 2548992), (8256, 2509164), (9072, 2283472), (9288, 2230368), (9632, 2150712), (9957, 2080512), (10368, 1998038), (10836, 1911744), (11008, 1881873), (12096, 1712604), (12384, 1672776), (13276, 1560384), (13932, 1486912), (14448, 1433808), (16128, 1284453), (16254, 1274496), (16512, 1254582), (18144, 1141736), (18576, 1115184), (19264, 1075356), (19914, 1040256), (20736, 999019), (21672, 955872), (23233, 891648), (24192, 856302), (24381, 849664), (24768, 836388), (26552, 780192), (27864, 743456), (28896, 716904), (29871, 693504), (32508, 637248), (33024, 627291), (36288, 570868), (37152, 557592), (38528, 537678), (39828, 520128), (43344, 477936), (46466, 445824), (48384, 428151), (48762, 424832), (49536, 418194), (53104, 390096), (55728, 371728), (57792, 358452), (59742, 346752), (65016, 318624), (69699, 297216), (72576, 285434), (74304, 278796), (77056, 268839), (79656, 260064), (86688, 238968), (89613, 231168), (92932, 222912), (97524, 212416), (99072, 209097), (106208, 195048), (111456, 185864), (115584, 179226), (119484, 173376), (130032, 159312), (139398, 148608), (142717, 145152)]