20512668666

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{488396873}}^1$

素因数の和:488396885

約数の個数: 16

約数和(自身を含む): 46886099904

約数和(自身を除く): 26373431238

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 488396873, 976793746, 1465190619, 2930381238, 3418778111, 6837556222, 10256334333, 20512668666]

約数ペア:

[(1, 20512668666), (2, 10256334333), (3, 6837556222), (6, 3418778111), (7, 2930381238), (14, 1465190619), (21, 976793746), (42, 488396873)]