20683520

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 58720032

約数和(自身を除く): 38036512

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 113, 128, 130, 143, 160, 176, 208, 220, 226, 256, 260, 286, 320, 352, 416, 440, 452, 520, 565, 572, 640, 704, 715, 832, 880, 904, 1040, 1130, 1144, 1243, 1280, 1408, 1430, 1469, 1664, 1760, 1808, 2080, 2260, 2288, 2486, 2816, 2860, 2938, 3328, 3520, 3616, 4160, 4520, 4576, 4972, 5720, 5876, 6215, 7040, 7232, 7345, 8320, 9040, 9152, 9944, 11440, 11752, 12430, 14080, 14464, 14690, 16159, 16640, 18080, 18304, 19888, 22880, 23504, 24860, 28928, 29380, 32318, 36160, 36608, 39776, 45760, 47008, 49720, 58760, 64636, 72320, 79552, 80795, 91520, 94016, 99440, 117520, 129272, 144640, 159104, 161590, 183040, 188032, 198880, 235040, 258544, 318208, 323180, 376064, 397760, 470080, 517088, 646360, 795520, 940160, 1034176, 1292720, 1591040, 1880320, 2068352, 2585440, 4136704, 5170880, 10341760, 20683520]

約数ペア:

[(1, 20683520), (2, 10341760), (4, 5170880), (5, 4136704), (8, 2585440), (10, 2068352), (11, 1880320), (13, 1591040), (16, 1292720), (20, 1034176), (22, 940160), (26, 795520), (32, 646360), (40, 517088), (44, 470080), (52, 397760), (55, 376064), (64, 323180), (65, 318208), (80, 258544), (88, 235040), (104, 198880), (110, 188032), (113, 183040), (128, 161590), (130, 159104), (143, 144640), (160, 129272), (176, 117520), (208, 99440), (220, 94016), (226, 91520), (256, 80795), (260, 79552), (286, 72320), (320, 64636), (352, 58760), (416, 49720), (440, 47008), (452, 45760), (520, 39776), (565, 36608), (572, 36160), (640, 32318), (704, 29380), (715, 28928), (832, 24860), (880, 23504), (904, 22880), (1040, 19888), (1130, 18304), (1144, 18080), (1243, 16640), (1280, 16159), (1408, 14690), (1430, 14464), (1469, 14080), (1664, 12430), (1760, 11752), (1808, 11440), (2080, 9944), (2260, 9152), (2288, 9040), (2486, 8320), (2816, 7345), (2860, 7232), (2938, 7040), (3328, 6215), (3520, 5876), (3616, 5720), (4160, 4972), (4520, 4576)]