20646657

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{6217}}^1$

素因数の和:6270

約数の個数: 20

約数和(自身を含む): 31599876

約数和(自身を除く): 10953219

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 6217, 18651, 55953, 167859, 254897, 503577, 764691, 2294073, 6882219, 20646657]

約数ペア:

[(1, 20646657), (3, 6882219), (9, 2294073), (27, 764691), (41, 503577), (81, 254897), (123, 167859), (369, 55953), (1107, 18651), (3321, 6217)]