20675439

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{983}}^1$

素因数の和:1052

約数の個数: 32

約数和(自身を含む): 33062400

約数和(自身を除く): 12386961

約数列:

[1, 3, 9, 19, 27, 41, 57, 123, 171, 369, 513, 779, 983, 1107, 2337, 2949, 7011, 8847, 18677, 21033, 26541, 40303, 56031, 120909, 168093, 362727, 504279, 765757, 1088181, 2297271, 6891813, 20675439]

約数ペア:

[(1, 20675439), (3, 6891813), (9, 2297271), (19, 1088181), (27, 765757), (41, 504279), (57, 362727), (123, 168093), (171, 120909), (369, 56031), (513, 40303), (779, 26541), (983, 21033), (1107, 18677), (2337, 8847), (2949, 7011)]