20178586311

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{5779}}^1$

素因数の和:5976

約数の個数: 48

約数和(自身を含む): 29853653760

約数和(自身を除く): 9675067449

約数列:

[1, 3, 13, 39, 71, 97, 169, 213, 291, 507, 923, 1261, 2769, 3783, 5779, 6887, 11999, 16393, 17337, 20661, 35997, 49179, 75127, 89531, 225381, 268593, 410309, 560563, 976651, 1163903, 1230927, 1681689, 2929953, 3491709, 5334017, 7287319, 16002051, 21861957, 39799973, 69342221, 94735147, 119399919, 208026663, 284205441, 517399649, 1552198947, 6726195437, 20178586311]

約数ペア:

[(1, 20178586311), (3, 6726195437), (13, 1552198947), (39, 517399649), (71, 284205441), (97, 208026663), (169, 119399919), (213, 94735147), (291, 69342221), (507, 39799973), (923, 21861957), (1261, 16002051), (2769, 7287319), (3783, 5334017), (5779, 3491709), (6887, 2929953), (11999, 1681689), (16393, 1230927), (17337, 1163903), (20661, 976651), (35997, 560563), (49179, 410309), (75127, 268593), (89531, 225381)]