20177584

素因数分解:

$2^4\times 7^1\times {\mathrm{257}}^1\times {\mathrm{701}}^1$

素因数の和:973

約数の個数: 40

約数和(自身を含む): 44916768

約数和(自身を除く): 24739184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 257, 514, 701, 1028, 1402, 1799, 2056, 2804, 3598, 4112, 4907, 5608, 7196, 9814, 11216, 14392, 19628, 28784, 39256, 78512, 180157, 360314, 720628, 1261099, 1441256, 2522198, 2882512, 5044396, 10088792, 20177584]

約数ペア:

[(1, 20177584), (2, 10088792), (4, 5044396), (7, 2882512), (8, 2522198), (14, 1441256), (16, 1261099), (28, 720628), (56, 360314), (112, 180157), (257, 78512), (514, 39256), (701, 28784), (1028, 19628), (1402, 14392), (1799, 11216), (2056, 9814), (2804, 7196), (3598, 5608), (4112, 4907)]