20500774

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{63667}}^1$

素因数の和:63699

約数の個数: 16

約数和(自身を含む): 36672768

約数和(自身を除く): 16171994

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 63667, 127334, 445669, 891338, 1464341, 2928682, 10250387, 20500774]

約数ペア:

[(1, 20500774), (2, 10250387), (7, 2928682), (14, 1464341), (23, 891338), (46, 445669), (161, 127334), (322, 63667)]