20703884

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{72901}}^1$

素因数の和:72976

約数の個数: 12

約数和(自身を含む): 36742608

約数和(自身を除く): 16038724

約数列:

[1, 2, 4, 71, 142, 284, 72901, 145802, 291604, 5175971, 10351942, 20703884]

約数ペア:

[(1, 20703884), (2, 10351942), (4, 5175971), (71, 291604), (142, 145802), (284, 72901)]