20745976832

素因数分解:

$2^{10}\times 7^1\times {\mathrm{1567}}^1\times {\mathrm{1847}}^1$

素因数の和:3441

約数の個数: 88

約数和(自身を含む): 47452145664

約数和(自身を除く): 26706168832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1567, 1792, 1847, 3134, 3584, 3694, 6268, 7168, 7388, 10969, 12536, 12929, 14776, 21938, 25072, 25858, 29552, 43876, 50144, 51716, 59104, 87752, 100288, 103432, 118208, 175504, 200576, 206864, 236416, 351008, 401152, 413728, 472832, 702016, 802304, 827456, 945664, 1404032, 1604608, 1654912, 1891328, 2808064, 2894249, 3309824, 5616128, 5788498, 6619648, 11232256, 11576996, 13239296, 20259743, 23153992, 40519486, 46307984, 81038972, 92615968, 162077944, 185231936, 324155888, 370463872, 648311776, 740927744, 1296623552, 1481855488, 2593247104, 2963710976, 5186494208, 10372988416, 20745976832]

約数ペア:

[(1, 20745976832), (2, 10372988416), (4, 5186494208), (7, 2963710976), (8, 2593247104), (14, 1481855488), (16, 1296623552), (28, 740927744), (32, 648311776), (56, 370463872), (64, 324155888), (112, 185231936), (128, 162077944), (224, 92615968), (256, 81038972), (448, 46307984), (512, 40519486), (896, 23153992), (1024, 20259743), (1567, 13239296), (1792, 11576996), (1847, 11232256), (3134, 6619648), (3584, 5788498), (3694, 5616128), (6268, 3309824), (7168, 2894249), (7388, 2808064), (10969, 1891328), (12536, 1654912), (12929, 1604608), (14776, 1404032), (21938, 945664), (25072, 827456), (25858, 802304), (29552, 702016), (43876, 472832), (50144, 413728), (51716, 401152), (59104, 351008), (87752, 236416), (100288, 206864), (103432, 200576), (118208, 175504)]