20078377

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 24016608

約数和(自身を除く): 3938231

約数列:

[1, 11, 17, 43, 121, 187, 227, 473, 731, 2057, 2497, 3859, 5203, 8041, 9761, 27467, 42449, 88451, 107371, 165937, 466939, 1181081, 1825307, 20078377]

約数ペア:

[(1, 20078377), (11, 1825307), (17, 1181081), (43, 466939), (121, 165937), (187, 107371), (227, 88451), (473, 42449), (731, 27467), (2057, 9761), (2497, 8041), (3859, 5203)]