20991744768

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{27143}}^1$

素因数の和:27234

約数の個数: 144

約数和(自身を含む): 59920922880

約数和(自身を除く): 38929178112

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 53, 57, 64, 76, 96, 106, 114, 128, 152, 159, 192, 212, 228, 256, 304, 318, 384, 424, 456, 608, 636, 768, 848, 912, 1007, 1216, 1272, 1696, 1824, 2014, 2432, 2544, 3021, 3392, 3648, 4028, 4864, 5088, 6042, 6784, 7296, 8056, 10176, 12084, 13568, 14592, 16112, 20352, 24168, 27143, 32224, 40704, 48336, 54286, 64448, 81429, 96672, 108572, 128896, 162858, 193344, 217144, 257792, 325716, 386688, 434288, 515717, 651432, 773376, 868576, 1031434, 1302864, 1438579, 1547151, 1737152, 2062868, 2605728, 2877158, 3094302, 3474304, 4125736, 4315737, 5211456, 5754316, 6188604, 6948608, 8251472, 8631474, 10422912, 11508632, 12377208, 16502944, 17262948, 20845824, 23017264, 24754416, 27333001, 33005888, 34525896, 46034528, 49508832, 54666002, 66011776, 69051792, 81999003, 92069056, 99017664, 109332004, 132023552, 138103584, 163998006, 184138112, 198035328, 218664008, 276207168, 327996012, 368276224, 396070656, 437328016, 552414336, 655992024, 874656032, 1104828672, 1311984048, 1749312064, 2623968096, 3498624128, 5247936192, 6997248256, 10495872384, 20991744768]

約数ペア:

[(1, 20991744768), (2, 10495872384), (3, 6997248256), (4, 5247936192), (6, 3498624128), (8, 2623968096), (12, 1749312064), (16, 1311984048), (19, 1104828672), (24, 874656032), (32, 655992024), (38, 552414336), (48, 437328016), (53, 396070656), (57, 368276224), (64, 327996012), (76, 276207168), (96, 218664008), (106, 198035328), (114, 184138112), (128, 163998006), (152, 138103584), (159, 132023552), (192, 109332004), (212, 99017664), (228, 92069056), (256, 81999003), (304, 69051792), (318, 66011776), (384, 54666002), (424, 49508832), (456, 46034528), (608, 34525896), (636, 33005888), (768, 27333001), (848, 24754416), (912, 23017264), (1007, 20845824), (1216, 17262948), (1272, 16502944), (1696, 12377208), (1824, 11508632), (2014, 10422912), (2432, 8631474), (2544, 8251472), (3021, 6948608), (3392, 6188604), (3648, 5754316), (4028, 5211456), (4864, 4315737), (5088, 4125736), (6042, 3474304), (6784, 3094302), (7296, 2877158), (8056, 2605728), (10176, 2062868), (12084, 1737152), (13568, 1547151), (14592, 1438579), (16112, 1302864), (20352, 1031434), (24168, 868576), (27143, 773376), (32224, 651432), (40704, 515717), (48336, 434288), (54286, 386688), (64448, 325716), (81429, 257792), (96672, 217144), (108572, 193344), (128896, 162858)]