20740863

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{3719}}^1$

素因数の和:3759

約数の個数: 24

約数和(自身を含む): 32676480

約数和(自身を除く): 11935617

約数列:

[1, 3, 11, 13, 33, 39, 143, 169, 429, 507, 1859, 3719, 5577, 11157, 40909, 48347, 122727, 145041, 531817, 628511, 1595451, 1885533, 6913621, 20740863]

約数ペア:

[(1, 20740863), (3, 6913621), (11, 1885533), (13, 1595451), (33, 628511), (39, 531817), (143, 145041), (169, 122727), (429, 48347), (507, 40909), (1859, 11157), (3719, 5577)]