20831594

素因数分解:

$2^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{1523}}^1$

素因数の和:2509

約数の個数: 16

約数和(自身を含む): 35771328

約数和(自身を除く): 14939734

約数列:

[1, 2, 7, 14, 977, 1523, 1954, 3046, 6839, 10661, 13678, 21322, 1487971, 2975942, 10415797, 20831594]

約数ペア:

[(1, 20831594), (2, 10415797), (7, 2975942), (14, 1487971), (977, 21322), (1523, 13678), (1954, 10661), (3046, 6839)]