20138506816

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:325

約数の個数: 224

約数和(自身を含む): 45240854400

約数和(自身を除く): 25102347584

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 59, 61, 64, 68, 74, 118, 122, 136, 139, 148, 236, 244, 272, 278, 296, 472, 488, 544, 556, 592, 629, 944, 976, 1003, 1037, 1088, 1112, 1184, 1258, 1888, 1952, 2006, 2074, 2183, 2224, 2257, 2363, 2368, 2516, 3599, 3776, 3904, 4012, 4148, 4366, 4448, 4514, 4726, 5032, 5143, 7198, 8024, 8201, 8296, 8479, 8732, 8896, 9028, 9452, 10064, 10286, 14396, 16048, 16402, 16592, 16958, 17464, 18056, 18904, 20128, 20572, 28792, 32096, 32804, 33184, 33916, 34928, 36112, 37111, 37808, 38369, 40256, 41144, 57584, 61183, 64192, 65608, 66368, 67832, 69856, 72224, 74222, 75616, 76738, 82288, 87431, 115168, 122366, 131216, 133163, 135664, 139417, 139712, 144143, 144448, 148444, 151232, 153476, 164576, 174862, 230336, 244732, 262432, 266326, 271328, 278834, 288286, 296888, 303437, 306952, 313723, 329152, 349724, 489464, 500261, 524864, 532652, 542656, 557668, 576572, 593776, 606874, 613904, 627446, 699448, 978928, 1000522, 1065304, 1115336, 1153144, 1187552, 1213748, 1227808, 1254892, 1398896, 1957856, 2001044, 2130608, 2230672, 2263771, 2306288, 2375104, 2427496, 2455616, 2509784, 2797792, 3915712, 4002088, 4261216, 4461344, 4527542, 4612576, 4854992, 5019568, 5158429, 5333291, 5595584, 8004176, 8504437, 8522432, 8922688, 9055084, 9225152, 9709984, 10039136, 10316858, 10666582, 16008352, 17008874, 18110168, 18509657, 19419968, 20078272, 20633716, 21333164, 32016704, 34017748, 36220336, 37019314, 41267432, 42666328, 68035496, 72440672, 74038628, 82534864, 85332656, 136070992, 144881344, 148077256, 165069728, 170665312, 272141984, 296154512, 314664169, 330139456, 341330624, 544283968, 592309024, 629328338, 1184618048, 1258656676, 2517313352, 5034626704, 10069253408, 20138506816]

約数ペア:

[(1, 20138506816), (2, 10069253408), (4, 5034626704), (8, 2517313352), (16, 1258656676), (17, 1184618048), (32, 629328338), (34, 592309024), (37, 544283968), (59, 341330624), (61, 330139456), (64, 314664169), (68, 296154512), (74, 272141984), (118, 170665312), (122, 165069728), (136, 148077256), (139, 144881344), (148, 136070992), (236, 85332656), (244, 82534864), (272, 74038628), (278, 72440672), (296, 68035496), (472, 42666328), (488, 41267432), (544, 37019314), (556, 36220336), (592, 34017748), (629, 32016704), (944, 21333164), (976, 20633716), (1003, 20078272), (1037, 19419968), (1088, 18509657), (1112, 18110168), (1184, 17008874), (1258, 16008352), (1888, 10666582), (1952, 10316858), (2006, 10039136), (2074, 9709984), (2183, 9225152), (2224, 9055084), (2257, 8922688), (2363, 8522432), (2368, 8504437), (2516, 8004176), (3599, 5595584), (3776, 5333291), (3904, 5158429), (4012, 5019568), (4148, 4854992), (4366, 4612576), (4448, 4527542), (4514, 4461344), (4726, 4261216), (5032, 4002088), (5143, 3915712), (7198, 2797792), (8024, 2509784), (8201, 2455616), (8296, 2427496), (8479, 2375104), (8732, 2306288), (8896, 2263771), (9028, 2230672), (9452, 2130608), (10064, 2001044), (10286, 1957856), (14396, 1398896), (16048, 1254892), (16402, 1227808), (16592, 1213748), (16958, 1187552), (17464, 1153144), (18056, 1115336), (18904, 1065304), (20128, 1000522), (20572, 978928), (28792, 699448), (32096, 627446), (32804, 613904), (33184, 606874), (33916, 593776), (34928, 576572), (36112, 557668), (37111, 542656), (37808, 532652), (38369, 524864), (40256, 500261), (41144, 489464), (57584, 349724), (61183, 329152), (64192, 313723), (65608, 306952), (66368, 303437), (67832, 296888), (69856, 288286), (72224, 278834), (74222, 271328), (75616, 266326), (76738, 262432), (82288, 244732), (87431, 230336), (115168, 174862), (122366, 164576), (131216, 153476), (133163, 151232), (135664, 148444), (139417, 144448), (139712, 144143)]