20635008

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 128

約数和(自身を含む): 60588000

約数和(自身を除く): 39952992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 29, 32, 34, 48, 51, 58, 64, 68, 87, 96, 102, 109, 116, 128, 136, 174, 192, 204, 218, 232, 272, 327, 348, 384, 408, 436, 464, 493, 544, 654, 696, 816, 872, 928, 986, 1088, 1308, 1392, 1479, 1632, 1744, 1853, 1856, 1972, 2176, 2616, 2784, 2958, 3161, 3264, 3488, 3706, 3712, 3944, 5232, 5559, 5568, 5916, 6322, 6528, 6976, 7412, 7888, 9483, 10464, 11118, 11136, 11832, 12644, 13952, 14824, 15776, 18966, 20928, 22236, 23664, 25288, 29648, 31552, 37932, 41856, 44472, 47328, 50576, 53737, 59296, 63104, 75864, 88944, 94656, 101152, 107474, 118592, 151728, 161211, 177888, 189312, 202304, 214948, 237184, 303456, 322422, 355776, 404608, 429896, 606912, 644844, 711552, 859792, 1213824, 1289688, 1719584, 2579376, 3439168, 5158752, 6878336, 10317504, 20635008]

約数ペア:

[(1, 20635008), (2, 10317504), (3, 6878336), (4, 5158752), (6, 3439168), (8, 2579376), (12, 1719584), (16, 1289688), (17, 1213824), (24, 859792), (29, 711552), (32, 644844), (34, 606912), (48, 429896), (51, 404608), (58, 355776), (64, 322422), (68, 303456), (87, 237184), (96, 214948), (102, 202304), (109, 189312), (116, 177888), (128, 161211), (136, 151728), (174, 118592), (192, 107474), (204, 101152), (218, 94656), (232, 88944), (272, 75864), (327, 63104), (348, 59296), (384, 53737), (408, 50576), (436, 47328), (464, 44472), (493, 41856), (544, 37932), (654, 31552), (696, 29648), (816, 25288), (872, 23664), (928, 22236), (986, 20928), (1088, 18966), (1308, 15776), (1392, 14824), (1479, 13952), (1632, 12644), (1744, 11832), (1853, 11136), (1856, 11118), (1972, 10464), (2176, 9483), (2616, 7888), (2784, 7412), (2958, 6976), (3161, 6528), (3264, 6322), (3488, 5916), (3706, 5568), (3712, 5559), (3944, 5232)]