20512671152

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1028101}}^1$

素因数の和:1028181

約数の個数: 40

約数和(自身を含む): 42069933840

約数和(自身を除く): 21557262688

約数列:

[1, 2, 4, 8, 16, 29, 43, 58, 86, 116, 172, 232, 344, 464, 688, 1247, 2494, 4988, 9976, 19952, 1028101, 2056202, 4112404, 8224808, 16449616, 29814929, 44208343, 59629858, 88416686, 119259716, 176833372, 238519432, 353666744, 477038864, 707333488, 1282041947, 2564083894, 5128167788, 10256335576, 20512671152]

約数ペア:

[(1, 20512671152), (2, 10256335576), (4, 5128167788), (8, 2564083894), (16, 1282041947), (29, 707333488), (43, 477038864), (58, 353666744), (86, 238519432), (116, 176833372), (172, 119259716), (232, 88416686), (344, 59629858), (464, 44208343), (688, 29814929), (1247, 16449616), (2494, 8224808), (4988, 4112404), (9976, 2056202), (19952, 1028101)]