20111561008

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{571}}^1$

素因数の和:744

約数の個数: 240

約数和(自身を含む): 51619696128

約数和(自身を除く): 31508135120

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 44, 46, 56, 77, 88, 92, 112, 113, 121, 154, 161, 176, 184, 226, 242, 253, 308, 322, 368, 452, 484, 506, 571, 616, 644, 791, 847, 904, 968, 1012, 1142, 1232, 1243, 1288, 1582, 1694, 1771, 1808, 1936, 2024, 2284, 2486, 2576, 2599, 2783, 3164, 3388, 3542, 3997, 4048, 4568, 4972, 5198, 5566, 6281, 6328, 6776, 7084, 7994, 8701, 9136, 9944, 10396, 11132, 12562, 12656, 13133, 13552, 13673, 14168, 15988, 17402, 18193, 19481, 19888, 20792, 22264, 25124, 26266, 27346, 28336, 28589, 31976, 34804, 36386, 38962, 41584, 43967, 44528, 50248, 52532, 54692, 57178, 63952, 64523, 69091, 69608, 72772, 77924, 87934, 91931, 95711, 100496, 105064, 109384, 114356, 129046, 138182, 139216, 144463, 145544, 155848, 175868, 183862, 191422, 200123, 210128, 218768, 228712, 258092, 276364, 288926, 291088, 311696, 314479, 351736, 367724, 382844, 400246, 451661, 457424, 483637, 516184, 552728, 577852, 628958, 703472, 709753, 735448, 765688, 800492, 903322, 967274, 1011241, 1032368, 1105456, 1155704, 1257916, 1419506, 1470896, 1484029, 1531376, 1589093, 1600984, 1806644, 1934548, 2022482, 2201353, 2311408, 2515832, 2839012, 2968058, 3178186, 3201968, 3613288, 3869096, 4044964, 4402706, 4968271, 5031664, 5678024, 5936116, 6356372, 7226576, 7738192, 7807283, 8089928, 8805412, 9936542, 10388203, 11123651, 11356048, 11872232, 12712744, 15614566, 16179856, 16324319, 17610824, 19873084, 20776406, 22247302, 23744464, 25425488, 31229132, 32648638, 35221648, 39746168, 41552812, 44494604, 54650981, 62458264, 65297276, 79492336, 83105624, 88989208, 109301962, 114270233, 124916528, 130594552, 166211248, 177978416, 179567509, 218603924, 228540466, 261189104, 359135018, 437207848, 457080932, 718270036, 874415696, 914161864, 1256972563, 1436540072, 1828323728, 2513945126, 2873080144, 5027890252, 10055780504, 20111561008]

約数ペア:

[(1, 20111561008), (2, 10055780504), (4, 5027890252), (7, 2873080144), (8, 2513945126), (11, 1828323728), (14, 1436540072), (16, 1256972563), (22, 914161864), (23, 874415696), (28, 718270036), (44, 457080932), (46, 437207848), (56, 359135018), (77, 261189104), (88, 228540466), (92, 218603924), (112, 179567509), (113, 177978416), (121, 166211248), (154, 130594552), (161, 124916528), (176, 114270233), (184, 109301962), (226, 88989208), (242, 83105624), (253, 79492336), (308, 65297276), (322, 62458264), (368, 54650981), (452, 44494604), (484, 41552812), (506, 39746168), (571, 35221648), (616, 32648638), (644, 31229132), (791, 25425488), (847, 23744464), (904, 22247302), (968, 20776406), (1012, 19873084), (1142, 17610824), (1232, 16324319), (1243, 16179856), (1288, 15614566), (1582, 12712744), (1694, 11872232), (1771, 11356048), (1808, 11123651), (1936, 10388203), (2024, 9936542), (2284, 8805412), (2486, 8089928), (2576, 7807283), (2599, 7738192), (2783, 7226576), (3164, 6356372), (3388, 5936116), (3542, 5678024), (3997, 5031664), (4048, 4968271), (4568, 4402706), (4972, 4044964), (5198, 3869096), (5566, 3613288), (6281, 3201968), (6328, 3178186), (6776, 2968058), (7084, 2839012), (7994, 2515832), (8701, 2311408), (9136, 2201353), (9944, 2022482), (10396, 1934548), (11132, 1806644), (12562, 1600984), (12656, 1589093), (13133, 1531376), (13552, 1484029), (13673, 1470896), (14168, 1419506), (15988, 1257916), (17402, 1155704), (18193, 1105456), (19481, 1032368), (19888, 1011241), (20792, 967274), (22264, 903322), (25124, 800492), (26266, 765688), (27346, 735448), (28336, 709753), (28589, 703472), (31976, 628958), (34804, 577852), (36386, 552728), (38962, 516184), (41584, 483637), (43967, 457424), (44528, 451661), (50248, 400246), (52532, 382844), (54692, 367724), (57178, 351736), (63952, 314479), (64523, 311696), (69091, 291088), (69608, 288926), (72772, 276364), (77924, 258092), (87934, 228712), (91931, 218768), (95711, 210128), (100496, 200123), (105064, 191422), (109384, 183862), (114356, 175868), (129046, 155848), (138182, 145544), (139216, 144463)]