20729664

素因数分解:

$2^6\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:137

約数の個数: 168

約数和(自身を含む): 65973960

約数和(自身を除く): 45244296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 29, 32, 34, 36, 48, 51, 58, 64, 68, 72, 73, 87, 96, 102, 116, 136, 144, 146, 153, 174, 192, 204, 219, 232, 261, 272, 288, 292, 306, 348, 408, 438, 464, 493, 522, 544, 576, 584, 612, 657, 696, 816, 876, 928, 986, 1044, 1088, 1168, 1224, 1241, 1314, 1392, 1479, 1632, 1752, 1856, 1972, 2088, 2117, 2336, 2448, 2482, 2628, 2784, 2958, 3264, 3504, 3723, 3944, 4176, 4234, 4437, 4672, 4896, 4964, 5256, 5568, 5916, 6351, 7008, 7446, 7888, 8352, 8468, 8874, 9792, 9928, 10512, 11169, 11832, 12702, 14016, 14892, 15776, 16704, 16936, 17748, 19053, 19856, 21024, 22338, 23664, 25404, 29784, 31552, 33872, 35496, 35989, 38106, 39712, 42048, 44676, 47328, 50808, 59568, 67744, 70992, 71978, 76212, 79424, 89352, 94656, 101616, 107967, 119136, 135488, 141984, 143956, 152424, 178704, 203232, 215934, 238272, 283968, 287912, 304848, 323901, 357408, 406464, 431868, 575824, 609696, 647802, 714816, 863736, 1151648, 1219392, 1295604, 1727472, 2303296, 2591208, 3454944, 5182416, 6909888, 10364832, 20729664]

約数ペア:

[(1, 20729664), (2, 10364832), (3, 6909888), (4, 5182416), (6, 3454944), (8, 2591208), (9, 2303296), (12, 1727472), (16, 1295604), (17, 1219392), (18, 1151648), (24, 863736), (29, 714816), (32, 647802), (34, 609696), (36, 575824), (48, 431868), (51, 406464), (58, 357408), (64, 323901), (68, 304848), (72, 287912), (73, 283968), (87, 238272), (96, 215934), (102, 203232), (116, 178704), (136, 152424), (144, 143956), (146, 141984), (153, 135488), (174, 119136), (192, 107967), (204, 101616), (219, 94656), (232, 89352), (261, 79424), (272, 76212), (288, 71978), (292, 70992), (306, 67744), (348, 59568), (408, 50808), (438, 47328), (464, 44676), (493, 42048), (522, 39712), (544, 38106), (576, 35989), (584, 35496), (612, 33872), (657, 31552), (696, 29784), (816, 25404), (876, 23664), (928, 22338), (986, 21024), (1044, 19856), (1088, 19053), (1168, 17748), (1224, 16936), (1241, 16704), (1314, 15776), (1392, 14892), (1479, 14016), (1632, 12702), (1752, 11832), (1856, 11169), (1972, 10512), (2088, 9928), (2117, 9792), (2336, 8874), (2448, 8468), (2482, 8352), (2628, 7888), (2784, 7446), (2958, 7008), (3264, 6351), (3504, 5916), (3723, 5568), (3944, 5256), (4176, 4964), (4234, 4896), (4437, 4672)]