20745587072

素因数分解:

$2^7\times 7^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:537

約数の個数: 192

約数和(自身を含む): 49186440000

約数和(自身を除く): 28440852928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 79, 98, 112, 128, 149, 158, 196, 224, 281, 298, 316, 392, 448, 553, 562, 596, 632, 784, 896, 1043, 1106, 1124, 1192, 1264, 1568, 1967, 2086, 2212, 2248, 2384, 2528, 3136, 3871, 3934, 4172, 4424, 4496, 4768, 5056, 6272, 7301, 7742, 7868, 8344, 8848, 8992, 9536, 10112, 11771, 13769, 14602, 15484, 15736, 16688, 17696, 17984, 19072, 22199, 23542, 27538, 29204, 30968, 31472, 33376, 35392, 35968, 41869, 44398, 47084, 55076, 58408, 61936, 62944, 66752, 70784, 82397, 83738, 88796, 94168, 110152, 116816, 123872, 125888, 133504, 155393, 164794, 167476, 177592, 188336, 220304, 233632, 247744, 251776, 293083, 310786, 329588, 334952, 355184, 376672, 440608, 467264, 495488, 576779, 586166, 621572, 659176, 669904, 710368, 753344, 881216, 934528, 1087751, 1153558, 1172332, 1243144, 1318352, 1339808, 1420736, 1506688, 1762432, 2051581, 2175502, 2307116, 2344664, 2486288, 2636704, 2679616, 2841472, 3307651, 4103162, 4351004, 4614232, 4689328, 4972576, 5273408, 5359232, 6615302, 8206324, 8702008, 9228464, 9378656, 9945152, 10546816, 13230604, 16412648, 17404016, 18456928, 18757312, 19890304, 23153557, 26461208, 32825296, 34808032, 36913856, 37514624, 46307114, 52922416, 65650592, 69616064, 73827712, 92614228, 105844832, 131301184, 139232128, 162074899, 185228456, 211689664, 262602368, 324149798, 370456912, 423379328, 648299596, 740913824, 1296599192, 1481827648, 2593198384, 2963655296, 5186396768, 10372793536, 20745587072]

約数ペア:

[(1, 20745587072), (2, 10372793536), (4, 5186396768), (7, 2963655296), (8, 2593198384), (14, 1481827648), (16, 1296599192), (28, 740913824), (32, 648299596), (49, 423379328), (56, 370456912), (64, 324149798), (79, 262602368), (98, 211689664), (112, 185228456), (128, 162074899), (149, 139232128), (158, 131301184), (196, 105844832), (224, 92614228), (281, 73827712), (298, 69616064), (316, 65650592), (392, 52922416), (448, 46307114), (553, 37514624), (562, 36913856), (596, 34808032), (632, 32825296), (784, 26461208), (896, 23153557), (1043, 19890304), (1106, 18757312), (1124, 18456928), (1192, 17404016), (1264, 16412648), (1568, 13230604), (1967, 10546816), (2086, 9945152), (2212, 9378656), (2248, 9228464), (2384, 8702008), (2528, 8206324), (3136, 6615302), (3871, 5359232), (3934, 5273408), (4172, 4972576), (4424, 4689328), (4496, 4614232), (4768, 4351004), (5056, 4103162), (6272, 3307651), (7301, 2841472), (7742, 2679616), (7868, 2636704), (8344, 2486288), (8848, 2344664), (8992, 2307116), (9536, 2175502), (10112, 2051581), (11771, 1762432), (13769, 1506688), (14602, 1420736), (15484, 1339808), (15736, 1318352), (16688, 1243144), (17696, 1172332), (17984, 1153558), (19072, 1087751), (22199, 934528), (23542, 881216), (27538, 753344), (29204, 710368), (30968, 669904), (31472, 659176), (33376, 621572), (35392, 586166), (35968, 576779), (41869, 495488), (44398, 467264), (47084, 440608), (55076, 376672), (58408, 355184), (61936, 334952), (62944, 329588), (66752, 310786), (70784, 293083), (82397, 251776), (83738, 247744), (88796, 233632), (94168, 220304), (110152, 188336), (116816, 177592), (123872, 167476), (125888, 164794), (133504, 155393)]