20565715401

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{9341}}^1$

素因数の和:9724

約数の個数: 80

約数和(自身を含む): 38414901888

約数和(自身を除く): 17849186487

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 353, 567, 693, 891, 1059, 2079, 2471, 3177, 3883, 6237, 7413, 9341, 9531, 11649, 22239, 27181, 28023, 28593, 34947, 65387, 66717, 81543, 84069, 102751, 104841, 196161, 200151, 244629, 252207, 308253, 314523, 588483, 719257, 733887, 756621, 924759, 1765449, 2157771, 2201661, 2774277, 3297373, 5296347, 6473313, 8322831, 9892119, 19419939, 23081611, 29676357, 36271103, 58259817, 69244833, 89029071, 108813309, 207734499, 253897721, 267087213, 326439927, 623203497, 761693163, 979319781, 1869610491, 2285079489, 2937959343, 6855238467, 20565715401]

約数ペア:

[(1, 20565715401), (3, 6855238467), (7, 2937959343), (9, 2285079489), (11, 1869610491), (21, 979319781), (27, 761693163), (33, 623203497), (63, 326439927), (77, 267087213), (81, 253897721), (99, 207734499), (189, 108813309), (231, 89029071), (297, 69244833), (353, 58259817), (567, 36271103), (693, 29676357), (891, 23081611), (1059, 19419939), (2079, 9892119), (2471, 8322831), (3177, 6473313), (3883, 5296347), (6237, 3297373), (7413, 2774277), (9341, 2201661), (9531, 2157771), (11649, 1765449), (22239, 924759), (27181, 756621), (28023, 733887), (28593, 719257), (34947, 588483), (65387, 314523), (66717, 308253), (81543, 252207), (84069, 244629), (102751, 200151), (104841, 196161)]