20715552

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1$

素因数の和:543

約数の個数: 144

約数和(自身を含む): 69346368

約数和(自身を除く): 48630816

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 32, 33, 36, 39, 44, 48, 52, 66, 72, 78, 88, 96, 99, 104, 117, 132, 143, 144, 156, 176, 198, 208, 234, 264, 286, 288, 312, 352, 396, 416, 429, 468, 503, 528, 572, 624, 792, 858, 936, 1006, 1056, 1144, 1248, 1287, 1509, 1584, 1716, 1872, 2012, 2288, 2574, 3018, 3168, 3432, 3744, 4024, 4527, 4576, 5148, 5533, 6036, 6539, 6864, 8048, 9054, 10296, 11066, 12072, 13078, 13728, 16096, 16599, 18108, 19617, 20592, 22132, 24144, 26156, 33198, 36216, 39234, 41184, 44264, 48288, 49797, 52312, 58851, 66396, 71929, 72432, 78468, 88528, 99594, 104624, 117702, 132792, 143858, 144864, 156936, 177056, 199188, 209248, 215787, 235404, 265584, 287716, 313872, 398376, 431574, 470808, 531168, 575432, 627744, 647361, 796752, 863148, 941616, 1150864, 1294722, 1593504, 1726296, 1883232, 2301728, 2589444, 3452592, 5178888, 6905184, 10357776, 20715552]

約数ペア:

[(1, 20715552), (2, 10357776), (3, 6905184), (4, 5178888), (6, 3452592), (8, 2589444), (9, 2301728), (11, 1883232), (12, 1726296), (13, 1593504), (16, 1294722), (18, 1150864), (22, 941616), (24, 863148), (26, 796752), (32, 647361), (33, 627744), (36, 575432), (39, 531168), (44, 470808), (48, 431574), (52, 398376), (66, 313872), (72, 287716), (78, 265584), (88, 235404), (96, 215787), (99, 209248), (104, 199188), (117, 177056), (132, 156936), (143, 144864), (144, 143858), (156, 132792), (176, 117702), (198, 104624), (208, 99594), (234, 88528), (264, 78468), (286, 72432), (288, 71929), (312, 66396), (352, 58851), (396, 52312), (416, 49797), (429, 48288), (468, 44264), (503, 41184), (528, 39234), (572, 36216), (624, 33198), (792, 26156), (858, 24144), (936, 22132), (1006, 20592), (1056, 19617), (1144, 18108), (1248, 16599), (1287, 16096), (1509, 13728), (1584, 13078), (1716, 12072), (1872, 11066), (2012, 10296), (2288, 9054), (2574, 8048), (3018, 6864), (3168, 6539), (3432, 6036), (3744, 5533), (4024, 5148), (4527, 4576)]