20399181

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{15077}}^1$

素因数の和:15132

約数の個数: 16

約数和(自身を含む): 30397248

約数和(自身を除く): 9998067

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 15077, 45231, 165847, 497541, 618157, 1854471, 6799727, 20399181]

約数ペア:

[(1, 20399181), (3, 6799727), (11, 1854471), (33, 618157), (41, 497541), (123, 165847), (451, 45231), (1353, 15077)]