20506719866

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{766721}}^1$

素因数の和:767077

約数の個数: 16

約数和(自身を含む): 31576678848

約数和(自身を除く): 11069958982

約数列:

[1, 2, 43, 86, 311, 622, 13373, 26746, 766721, 1533442, 32969003, 65938006, 238450231, 476900462, 10253359933, 20506719866]

約数ペア:

[(1, 20506719866), (2, 10253359933), (43, 476900462), (86, 238450231), (311, 65938006), (622, 32969003), (13373, 1533442), (26746, 766721)]