20815872

素因数分解:

$2^{13}\times 3^1\times 7^1\times {\mathrm{11}}^2$

素因数の和:58

約数の個数: 168

約数和(自身を含む): 69726048

約数和(自身を除く): 48910176

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 64, 66, 77, 84, 88, 96, 112, 121, 128, 132, 154, 168, 176, 192, 224, 231, 242, 256, 264, 308, 336, 352, 363, 384, 448, 462, 484, 512, 528, 616, 672, 704, 726, 768, 847, 896, 924, 968, 1024, 1056, 1232, 1344, 1408, 1452, 1536, 1694, 1792, 1848, 1936, 2048, 2112, 2464, 2541, 2688, 2816, 2904, 3072, 3388, 3584, 3696, 3872, 4096, 4224, 4928, 5082, 5376, 5632, 5808, 6144, 6776, 7168, 7392, 7744, 8192, 8448, 9856, 10164, 10752, 11264, 11616, 12288, 13552, 14336, 14784, 15488, 16896, 19712, 20328, 21504, 22528, 23232, 24576, 27104, 28672, 29568, 30976, 33792, 39424, 40656, 43008, 45056, 46464, 54208, 57344, 59136, 61952, 67584, 78848, 81312, 86016, 90112, 92928, 108416, 118272, 123904, 135168, 157696, 162624, 172032, 185856, 216832, 236544, 247808, 270336, 315392, 325248, 371712, 433664, 473088, 495616, 630784, 650496, 743424, 867328, 946176, 991232, 1300992, 1486848, 1734656, 1892352, 2601984, 2973696, 3469312, 5203968, 6938624, 10407936, 20815872]

約数ペア:

[(1, 20815872), (2, 10407936), (3, 6938624), (4, 5203968), (6, 3469312), (7, 2973696), (8, 2601984), (11, 1892352), (12, 1734656), (14, 1486848), (16, 1300992), (21, 991232), (22, 946176), (24, 867328), (28, 743424), (32, 650496), (33, 630784), (42, 495616), (44, 473088), (48, 433664), (56, 371712), (64, 325248), (66, 315392), (77, 270336), (84, 247808), (88, 236544), (96, 216832), (112, 185856), (121, 172032), (128, 162624), (132, 157696), (154, 135168), (168, 123904), (176, 118272), (192, 108416), (224, 92928), (231, 90112), (242, 86016), (256, 81312), (264, 78848), (308, 67584), (336, 61952), (352, 59136), (363, 57344), (384, 54208), (448, 46464), (462, 45056), (484, 43008), (512, 40656), (528, 39424), (616, 33792), (672, 30976), (704, 29568), (726, 28672), (768, 27104), (847, 24576), (896, 23232), (924, 22528), (968, 21504), (1024, 20328), (1056, 19712), (1232, 16896), (1344, 15488), (1408, 14784), (1452, 14336), (1536, 13552), (1694, 12288), (1792, 11616), (1848, 11264), (1936, 10752), (2048, 10164), (2112, 9856), (2464, 8448), (2541, 8192), (2688, 7744), (2816, 7392), (2904, 7168), (3072, 6776), (3388, 6144), (3584, 5808), (3696, 5632), (3872, 5376), (4096, 5082), (4224, 4928)]