20651414

素因数分解:

$2^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{6991}}^1$

素因数の和:7211

約数の個数: 16

約数和(自身を含む): 35575296

約数和(自身を除く): 14923882

約数列:

[1, 2, 7, 14, 211, 422, 1477, 2954, 6991, 13982, 48937, 97874, 1475101, 2950202, 10325707, 20651414]

約数ペア:

[(1, 20651414), (2, 10325707), (7, 2950202), (14, 1475101), (211, 97874), (422, 48937), (1477, 13982), (2954, 6991)]