20358264563

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{22943}}^1$

素因数の和:23176

約数の個数: 32

約数和(自身を含む): 25697280000

約数和(自身を除く): 5339015437

約数列:

[1, 7, 13, 49, 91, 199, 343, 637, 1393, 2587, 4459, 9751, 18109, 22943, 68257, 126763, 160601, 298259, 887341, 1124207, 2087813, 4565657, 7869449, 14614691, 31959599, 59353541, 102302837, 223717193, 415474787, 1566020351, 2908323509, 20358264563]

約数ペア:

[(1, 20358264563), (7, 2908323509), (13, 1566020351), (49, 415474787), (91, 223717193), (199, 102302837), (343, 59353541), (637, 31959599), (1393, 14614691), (2587, 7869449), (4459, 4565657), (9751, 2087813), (18109, 1124207), (22943, 887341), (68257, 298259), (126763, 160601)]