20438306

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63473}}^1$

素因数の和:63505

約数の個数: 16

約数和(自身を含む): 36561024

約数和(自身を除く): 16122718

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 63473, 126946, 444311, 888622, 1459879, 2919758, 10219153, 20438306]

約数ペア:

[(1, 20438306), (2, 10219153), (7, 2919758), (14, 1459879), (23, 888622), (46, 444311), (161, 126946), (322, 63473)]