20882818

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{13003}}^1$

素因数の和:13089

約数の個数: 16

約数和(自身を含む): 34642656

約数和(自身を除く): 13759838

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 13003, 26006, 143033, 286066, 949219, 1898438, 10441409, 20882818]

約数ペア:

[(1, 20882818), (2, 10441409), (11, 1898438), (22, 949219), (73, 286066), (146, 143033), (803, 26006), (1606, 13003)]