20516688

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^3\times {\mathrm{29}}^1$

素因数の和:94

約数の個数: 120

約数和(自身を含む): 63109800

約数和(自身を除く): 42593112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 29, 34, 36, 48, 51, 58, 68, 72, 87, 102, 116, 136, 144, 153, 174, 204, 232, 261, 272, 289, 306, 348, 408, 464, 493, 522, 578, 612, 696, 816, 867, 986, 1044, 1156, 1224, 1392, 1479, 1734, 1972, 2088, 2312, 2448, 2601, 2958, 3468, 3944, 4176, 4437, 4624, 4913, 5202, 5916, 6936, 7888, 8381, 8874, 9826, 10404, 11832, 13872, 14739, 16762, 17748, 19652, 20808, 23664, 25143, 29478, 33524, 35496, 39304, 41616, 44217, 50286, 58956, 67048, 70992, 75429, 78608, 88434, 100572, 117912, 134096, 142477, 150858, 176868, 201144, 235824, 284954, 301716, 353736, 402288, 427431, 569908, 603432, 707472, 854862, 1139816, 1206864, 1282293, 1709724, 2279632, 2564586, 3419448, 5129172, 6838896, 10258344, 20516688]

約数ペア:

[(1, 20516688), (2, 10258344), (3, 6838896), (4, 5129172), (6, 3419448), (8, 2564586), (9, 2279632), (12, 1709724), (16, 1282293), (17, 1206864), (18, 1139816), (24, 854862), (29, 707472), (34, 603432), (36, 569908), (48, 427431), (51, 402288), (58, 353736), (68, 301716), (72, 284954), (87, 235824), (102, 201144), (116, 176868), (136, 150858), (144, 142477), (153, 134096), (174, 117912), (204, 100572), (232, 88434), (261, 78608), (272, 75429), (289, 70992), (306, 67048), (348, 58956), (408, 50286), (464, 44217), (493, 41616), (522, 39304), (578, 35496), (612, 33524), (696, 29478), (816, 25143), (867, 23664), (986, 20808), (1044, 19652), (1156, 17748), (1224, 16762), (1392, 14739), (1479, 13872), (1734, 11832), (1972, 10404), (2088, 9826), (2312, 8874), (2448, 8381), (2601, 7888), (2958, 6936), (3468, 5916), (3944, 5202), (4176, 4913), (4437, 4624)]