20177619904

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{1367}}^1$

素因数の和:1662

約数の個数: 112

約数和(自身を含む): 43810659648

約数和(自身を除く): 23633039744

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 113, 157, 208, 226, 314, 416, 452, 628, 832, 904, 1256, 1367, 1469, 1808, 2041, 2512, 2734, 2938, 3616, 4082, 5024, 5468, 5876, 7232, 8164, 10048, 10936, 11752, 16328, 17741, 17771, 21872, 23504, 32656, 35482, 35542, 43744, 47008, 65312, 70964, 71084, 87488, 94016, 130624, 141928, 142168, 154471, 214619, 230633, 283856, 284336, 308942, 429238, 461266, 567712, 568672, 617884, 858476, 922532, 1135424, 1137344, 1235768, 1716952, 1845064, 2008123, 2471536, 2790047, 3433904, 3690128, 4016246, 4943072, 5580094, 6867808, 7380256, 8032492, 9886144, 11160188, 13735616, 14760512, 16064984, 22320376, 24251947, 32129968, 44640752, 48503894, 64259936, 89281504, 97007788, 128519872, 178563008, 194015576, 315275311, 388031152, 630550622, 776062304, 1261101244, 1552124608, 2522202488, 5044404976, 10088809952, 20177619904]

約数ペア:

[(1, 20177619904), (2, 10088809952), (4, 5044404976), (8, 2522202488), (13, 1552124608), (16, 1261101244), (26, 776062304), (32, 630550622), (52, 388031152), (64, 315275311), (104, 194015576), (113, 178563008), (157, 128519872), (208, 97007788), (226, 89281504), (314, 64259936), (416, 48503894), (452, 44640752), (628, 32129968), (832, 24251947), (904, 22320376), (1256, 16064984), (1367, 14760512), (1469, 13735616), (1808, 11160188), (2041, 9886144), (2512, 8032492), (2734, 7380256), (2938, 6867808), (3616, 5580094), (4082, 4943072), (5024, 4016246), (5468, 3690128), (5876, 3433904), (7232, 2790047), (8164, 2471536), (10048, 2008123), (10936, 1845064), (11752, 1716952), (16328, 1235768), (17741, 1137344), (17771, 1135424), (21872, 922532), (23504, 858476), (32656, 617884), (35482, 568672), (35542, 567712), (43744, 461266), (47008, 429238), (65312, 308942), (70964, 284336), (71084, 283856), (87488, 230633), (94016, 214619), (130624, 154471), (141928, 142168)]