20554490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{186859}}^1$

素因数の和:186877

約数の個数: 16

約数和(自身を含む): 40361760

約数和(自身を除く): 19807270

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 186859, 373718, 934295, 1868590, 2055449, 4110898, 10277245, 20554490]

約数ペア:

[(1, 20554490), (2, 10277245), (5, 4110898), (10, 2055449), (11, 1868590), (22, 934295), (55, 373718), (110, 186859)]