20087658

素因数分解:

$2^1\times 3^2\times {\mathrm{641}}^1\times {\mathrm{1741}}^1$

素因数の和:2390

約数の個数: 24

約数和(自身を含む): 43616196

約数和(自身を除く): 23528538

約数列:

[1, 2, 3, 6, 9, 18, 641, 1282, 1741, 1923, 3482, 3846, 5223, 5769, 10446, 11538, 15669, 31338, 1115981, 2231962, 3347943, 6695886, 10043829, 20087658]

約数ペア:

[(1, 20087658), (2, 10043829), (3, 6695886), (6, 3347943), (9, 2231962), (18, 1115981), (641, 31338), (1282, 15669), (1741, 11538), (1923, 10446), (3482, 5769), (3846, 5223)]