20512202067

素因数分解:

$3^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1175417}}^1$

素因数の和:1175707

約数の個数: 24

約数和(自身を含む): 33983685216

約数和(自身を除く): 13471483149

約数列:

[1, 3, 7, 9, 21, 63, 277, 831, 1939, 2493, 5817, 17451, 1175417, 3526251, 8227919, 10578753, 24683757, 74051271, 325590509, 976771527, 2279133563, 2930314581, 6837400689, 20512202067]

約数ペア:

[(1, 20512202067), (3, 6837400689), (7, 2930314581), (9, 2279133563), (21, 976771527), (63, 325590509), (277, 74051271), (831, 24683757), (1939, 10578753), (2493, 8227919), (5817, 3526251), (17451, 1175417)]