20988608032

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{8969}}^1$

素因数の和:9354

約数の個数: 96

約数和(自身を含む): 48897838080

約数和(自身を除く): 27909230048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 337, 434, 496, 674, 868, 992, 1348, 1736, 2359, 2696, 3472, 4718, 5392, 6944, 8969, 9436, 10447, 10784, 17938, 18872, 20894, 35876, 37744, 41788, 62783, 71752, 73129, 75488, 83576, 125566, 143504, 146258, 167152, 251132, 278039, 287008, 292516, 334304, 502264, 556078, 585032, 1004528, 1112156, 1170064, 1946273, 2009056, 2224312, 2340128, 3022553, 3892546, 4448624, 6045106, 7785092, 8897248, 12090212, 15570184, 21157871, 24180424, 31140368, 42315742, 48360848, 62280736, 84631484, 93699143, 96721696, 169262968, 187398286, 338525936, 374796572, 655894001, 677051872, 749593144, 1311788002, 1499186288, 2623576004, 2998372576, 5247152008, 10494304016, 20988608032]

約数ペア:

[(1, 20988608032), (2, 10494304016), (4, 5247152008), (7, 2998372576), (8, 2623576004), (14, 1499186288), (16, 1311788002), (28, 749593144), (31, 677051872), (32, 655894001), (56, 374796572), (62, 338525936), (112, 187398286), (124, 169262968), (217, 96721696), (224, 93699143), (248, 84631484), (337, 62280736), (434, 48360848), (496, 42315742), (674, 31140368), (868, 24180424), (992, 21157871), (1348, 15570184), (1736, 12090212), (2359, 8897248), (2696, 7785092), (3472, 6045106), (4718, 4448624), (5392, 3892546), (6944, 3022553), (8969, 2340128), (9436, 2224312), (10447, 2009056), (10784, 1946273), (17938, 1170064), (18872, 1112156), (20894, 1004528), (35876, 585032), (37744, 556078), (41788, 502264), (62783, 334304), (71752, 292516), (73129, 287008), (75488, 278039), (83576, 251132), (125566, 167152), (143504, 146258)]