20086766

素因数分解:

$2^1\times 7^4\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:166

約数の個数: 40

約数和(自身を含む): 36300960

約数和(自身を除く): 16214194

約数列:

[1, 2, 7, 14, 47, 49, 89, 94, 98, 178, 329, 343, 623, 658, 686, 1246, 2303, 2401, 4183, 4361, 4606, 4802, 8366, 8722, 16121, 29281, 30527, 32242, 58562, 61054, 112847, 204967, 213689, 225694, 409934, 427378, 1434769, 2869538, 10043383, 20086766]

約数ペア:

[(1, 20086766), (2, 10043383), (7, 2869538), (14, 1434769), (47, 427378), (49, 409934), (89, 225694), (94, 213689), (98, 204967), (178, 112847), (329, 61054), (343, 58562), (623, 32242), (658, 30527), (686, 29281), (1246, 16121), (2303, 8722), (2401, 8366), (4183, 4802), (4361, 4606)]