20808613749

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1559}}^1\times {\mathrm{57781}}^1$

素因数の和:59361

約数の個数: 32

約数和(自身を含む): 34613729280

約数和(自身を除く): 13805115531

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 1559, 4677, 10913, 17149, 32739, 51447, 57781, 120043, 173343, 360129, 404467, 635591, 1213401, 1906773, 4449137, 13347411, 90080579, 270241737, 630564053, 990886369, 1891692159, 2972659107, 6936204583, 20808613749]

約数ペア:

[(1, 20808613749), (3, 6936204583), (7, 2972659107), (11, 1891692159), (21, 990886369), (33, 630564053), (77, 270241737), (231, 90080579), (1559, 13347411), (4677, 4449137), (10913, 1906773), (17149, 1213401), (32739, 635591), (51447, 404467), (57781, 360129), (120043, 173343)]