20521368

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2143}}^1$

素因数の和:2181

約数の個数: 96

約数和(自身を含む): 66892800

約数和(自身を除く): 46371432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 28, 36, 38, 42, 56, 57, 63, 72, 76, 84, 114, 126, 133, 152, 168, 171, 228, 252, 266, 342, 399, 456, 504, 532, 684, 798, 1064, 1197, 1368, 1596, 2143, 2394, 3192, 4286, 4788, 6429, 8572, 9576, 12858, 15001, 17144, 19287, 25716, 30002, 38574, 40717, 45003, 51432, 60004, 77148, 81434, 90006, 120008, 122151, 135009, 154296, 162868, 180012, 244302, 270018, 285019, 325736, 360024, 366453, 488604, 540036, 570038, 732906, 855057, 977208, 1080072, 1140076, 1465812, 1710114, 2280152, 2565171, 2931624, 3420228, 5130342, 6840456, 10260684, 20521368]

約数ペア:

[(1, 20521368), (2, 10260684), (3, 6840456), (4, 5130342), (6, 3420228), (7, 2931624), (8, 2565171), (9, 2280152), (12, 1710114), (14, 1465812), (18, 1140076), (19, 1080072), (21, 977208), (24, 855057), (28, 732906), (36, 570038), (38, 540036), (42, 488604), (56, 366453), (57, 360024), (63, 325736), (72, 285019), (76, 270018), (84, 244302), (114, 180012), (126, 162868), (133, 154296), (152, 135009), (168, 122151), (171, 120008), (228, 90006), (252, 81434), (266, 77148), (342, 60004), (399, 51432), (456, 45003), (504, 40717), (532, 38574), (684, 30002), (798, 25716), (1064, 19287), (1197, 17144), (1368, 15001), (1596, 12858), (2143, 9576), (2394, 8572), (3192, 6429), (4286, 4788)]