20512157904

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{157747}}^1$

素因数の和:157814

約数の個数: 160

約数和(自身を含む): 68853847040

約数和(自身を除く): 48341689136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 43, 48, 54, 56, 63, 72, 84, 86, 108, 112, 126, 129, 144, 168, 172, 189, 216, 252, 258, 301, 336, 344, 378, 387, 432, 504, 516, 602, 688, 756, 774, 903, 1008, 1032, 1161, 1204, 1512, 1548, 1806, 2064, 2322, 2408, 2709, 3024, 3096, 3612, 4644, 4816, 5418, 6192, 7224, 8127, 9288, 10836, 14448, 16254, 18576, 21672, 32508, 43344, 65016, 130032, 157747, 315494, 473241, 630988, 946482, 1104229, 1261976, 1419723, 1892964, 2208458, 2523952, 2839446, 3312687, 3785928, 4259169, 4416916, 5678892, 6625374, 6783121, 7571856, 8518338, 8833832, 9938061, 11357784, 13250748, 13566242, 17036676, 17667664, 19876122, 20349363, 22715568, 26501496, 27132484, 29814183, 34073352, 39752244, 40698726, 47481847, 53002992, 54264968, 59628366, 61048089, 68146704, 79504488, 81397452, 94963694, 108529936, 119256732, 122096178, 142445541, 159008976, 162794904, 183144267, 189927388, 238513464, 244192356, 284891082, 325589808, 366288534, 379854776, 427336623, 477026928, 488384712, 569782164, 732577068, 759709552, 854673246, 976769424, 1139564328, 1282009869, 1465154136, 1709346492, 2279128656, 2564019738, 2930308272, 3418692984, 5128039476, 6837385968, 10256078952, 20512157904]

約数ペア:

[(1, 20512157904), (2, 10256078952), (3, 6837385968), (4, 5128039476), (6, 3418692984), (7, 2930308272), (8, 2564019738), (9, 2279128656), (12, 1709346492), (14, 1465154136), (16, 1282009869), (18, 1139564328), (21, 976769424), (24, 854673246), (27, 759709552), (28, 732577068), (36, 569782164), (42, 488384712), (43, 477026928), (48, 427336623), (54, 379854776), (56, 366288534), (63, 325589808), (72, 284891082), (84, 244192356), (86, 238513464), (108, 189927388), (112, 183144267), (126, 162794904), (129, 159008976), (144, 142445541), (168, 122096178), (172, 119256732), (189, 108529936), (216, 94963694), (252, 81397452), (258, 79504488), (301, 68146704), (336, 61048089), (344, 59628366), (378, 54264968), (387, 53002992), (432, 47481847), (504, 40698726), (516, 39752244), (602, 34073352), (688, 29814183), (756, 27132484), (774, 26501496), (903, 22715568), (1008, 20349363), (1032, 19876122), (1161, 17667664), (1204, 17036676), (1512, 13566242), (1548, 13250748), (1806, 11357784), (2064, 9938061), (2322, 8833832), (2408, 8518338), (2709, 7571856), (3024, 6783121), (3096, 6625374), (3612, 5678892), (4644, 4416916), (4816, 4259169), (5418, 3785928), (6192, 3312687), (7224, 2839446), (8127, 2523952), (9288, 2208458), (10836, 1892964), (14448, 1419723), (16254, 1261976), (18576, 1104229), (21672, 946482), (32508, 630988), (43344, 473241), (65016, 315494), (130032, 157747)]