20910666

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{497873}}^1$

素因数の和:497885

約数の個数: 16

約数和(自身を含む): 47795904

約数和(自身を除く): 26885238

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 497873, 995746, 1493619, 2987238, 3485111, 6970222, 10455333, 20910666]

約数ペア:

[(1, 20910666), (2, 10455333), (3, 6970222), (6, 3485111), (7, 2987238), (14, 1493619), (21, 995746), (42, 497873)]