20695961

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 25025280

約数和(自身を除く): 4329319

約数列:

[1, 11, 13, 59, 121, 143, 223, 649, 767, 1573, 2453, 2899, 7139, 8437, 13157, 26983, 31889, 92807, 144727, 171041, 350779, 1591997, 1881451, 20695961]

約数ペア:

[(1, 20695961), (11, 1881451), (13, 1591997), (59, 350779), (121, 171041), (143, 144727), (223, 92807), (649, 31889), (767, 26983), (1573, 13157), (2453, 8437), (2899, 7139)]