20803574

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6803}}^1$

素因数の和:6955

約数の個数: 16

約数和(自身を含む): 34292160

約数和(自身を除く): 13488586

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 6803, 13606, 74833, 149666, 945617, 1891234, 10401787, 20803574]

約数ペア:

[(1, 20803574), (2, 10401787), (11, 1891234), (22, 945617), (139, 149666), (278, 74833), (1529, 13606), (3058, 6803)]