20739446784

素因数分解:

$2^{11}\times 3^2\times 7^2\times {\mathrm{22963}}^1$

素因数の和:23005

約数の個数: 216

約数和(自身を含む): 69681846780

約数和(自身を除く): 48942399996

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 64, 72, 84, 96, 98, 112, 126, 128, 144, 147, 168, 192, 196, 224, 252, 256, 288, 294, 336, 384, 392, 441, 448, 504, 512, 576, 588, 672, 768, 784, 882, 896, 1008, 1024, 1152, 1176, 1344, 1536, 1568, 1764, 1792, 2016, 2048, 2304, 2352, 2688, 3072, 3136, 3528, 3584, 4032, 4608, 4704, 5376, 6144, 6272, 7056, 7168, 8064, 9216, 9408, 10752, 12544, 14112, 14336, 16128, 18432, 18816, 21504, 22963, 25088, 28224, 32256, 37632, 43008, 45926, 50176, 56448, 64512, 68889, 75264, 91852, 100352, 112896, 129024, 137778, 150528, 160741, 183704, 206667, 225792, 275556, 301056, 321482, 367408, 413334, 451584, 482223, 551112, 642964, 734816, 826668, 903168, 964446, 1102224, 1125187, 1285928, 1446669, 1469632, 1653336, 1928892, 2204448, 2250374, 2571856, 2893338, 2939264, 3306672, 3375561, 3857784, 4408896, 4500748, 5143712, 5786676, 5878528, 6613344, 6751122, 7715568, 8817792, 9001496, 10126683, 10287424, 11573352, 11757056, 13226688, 13502244, 15431136, 17635584, 18002992, 20253366, 20574848, 23146704, 23514112, 26453376, 27004488, 30862272, 35271168, 36005984, 40506732, 41149696, 46293408, 47028224, 52906752, 54008976, 61724544, 70542336, 72011968, 81013464, 82299392, 92586816, 105813504, 108017952, 123449088, 141084672, 144023936, 162026928, 164598784, 185173632, 211627008, 216035904, 246898176, 288047872, 324053856, 329197568, 370347264, 423254016, 432071808, 493796352, 576095744, 648107712, 740694528, 864143616, 987592704, 1152191488, 1296215424, 1481389056, 1728287232, 2304382976, 2592430848, 2962778112, 3456574464, 5184861696, 6913148928, 10369723392, 20739446784]

約数ペア:

[(1, 20739446784), (2, 10369723392), (3, 6913148928), (4, 5184861696), (6, 3456574464), (7, 2962778112), (8, 2592430848), (9, 2304382976), (12, 1728287232), (14, 1481389056), (16, 1296215424), (18, 1152191488), (21, 987592704), (24, 864143616), (28, 740694528), (32, 648107712), (36, 576095744), (42, 493796352), (48, 432071808), (49, 423254016), (56, 370347264), (63, 329197568), (64, 324053856), (72, 288047872), (84, 246898176), (96, 216035904), (98, 211627008), (112, 185173632), (126, 164598784), (128, 162026928), (144, 144023936), (147, 141084672), (168, 123449088), (192, 108017952), (196, 105813504), (224, 92586816), (252, 82299392), (256, 81013464), (288, 72011968), (294, 70542336), (336, 61724544), (384, 54008976), (392, 52906752), (441, 47028224), (448, 46293408), (504, 41149696), (512, 40506732), (576, 36005984), (588, 35271168), (672, 30862272), (768, 27004488), (784, 26453376), (882, 23514112), (896, 23146704), (1008, 20574848), (1024, 20253366), (1152, 18002992), (1176, 17635584), (1344, 15431136), (1536, 13502244), (1568, 13226688), (1764, 11757056), (1792, 11573352), (2016, 10287424), (2048, 10126683), (2304, 9001496), (2352, 8817792), (2688, 7715568), (3072, 6751122), (3136, 6613344), (3528, 5878528), (3584, 5786676), (4032, 5143712), (4608, 4500748), (4704, 4408896), (5376, 3857784), (6144, 3375561), (6272, 3306672), (7056, 2939264), (7168, 2893338), (8064, 2571856), (9216, 2250374), (9408, 2204448), (10752, 1928892), (12544, 1653336), (14112, 1469632), (14336, 1446669), (16128, 1285928), (18432, 1125187), (18816, 1102224), (21504, 964446), (22963, 903168), (25088, 826668), (28224, 734816), (32256, 642964), (37632, 551112), (43008, 482223), (45926, 451584), (50176, 413334), (56448, 367408), (64512, 321482), (68889, 301056), (75264, 275556), (91852, 225792), (100352, 206667), (112896, 183704), (129024, 160741), (137778, 150528)]