20611802

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{521}}^1$

素因数の和:805

約数の個数: 16

約数和(自身を含む): 31420224

約数和(自身を除く): 10808422

約数列:

[1, 2, 131, 151, 262, 302, 521, 1042, 19781, 39562, 68251, 78671, 136502, 157342, 10305901, 20611802]

約数ペア:

[(1, 20611802), (2, 10305901), (131, 157342), (151, 136502), (262, 78671), (302, 68251), (521, 39562), (1042, 19781)]