20008077824

素因数分解:

$2^9\times 7^1\times {\mathrm{227}}^1\times {\mathrm{24593}}^1$

素因数の和:24845

約数の個数: 80

約数和(自身を含む): 45891223488

約数和(自身を除く): 25883145664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 227, 256, 448, 454, 512, 896, 908, 1589, 1792, 1816, 3178, 3584, 3632, 6356, 7264, 12712, 14528, 24593, 25424, 29056, 49186, 50848, 58112, 98372, 101696, 116224, 172151, 196744, 203392, 344302, 393488, 406784, 688604, 786976, 813568, 1377208, 1573952, 2754416, 3147904, 5508832, 5582611, 6295808, 11017664, 11165222, 12591616, 22035328, 22330444, 39078277, 44070656, 44660888, 78156554, 88141312, 89321776, 156313108, 178643552, 312626216, 357287104, 625252432, 714574208, 1250504864, 1429148416, 2501009728, 2858296832, 5002019456, 10004038912, 20008077824]

約数ペア:

[(1, 20008077824), (2, 10004038912), (4, 5002019456), (7, 2858296832), (8, 2501009728), (14, 1429148416), (16, 1250504864), (28, 714574208), (32, 625252432), (56, 357287104), (64, 312626216), (112, 178643552), (128, 156313108), (224, 89321776), (227, 88141312), (256, 78156554), (448, 44660888), (454, 44070656), (512, 39078277), (896, 22330444), (908, 22035328), (1589, 12591616), (1792, 11165222), (1816, 11017664), (3178, 6295808), (3584, 5582611), (3632, 5508832), (6356, 3147904), (7264, 2754416), (12712, 1573952), (14528, 1377208), (24593, 813568), (25424, 786976), (29056, 688604), (49186, 406784), (50848, 393488), (58112, 344302), (98372, 203392), (101696, 196744), (116224, 172151)]