20512073403

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{136991}}^1$

素因数の和:137255

約数の個数: 24

約数和(自身を含む): 30090018816

約数和(自身を除く): 9577945413

約数列:

[1, 3, 9, 127, 131, 381, 393, 1143, 1179, 16637, 49911, 136991, 149733, 410973, 1232919, 17397857, 17945821, 52193571, 53837463, 156580713, 161512389, 2279119267, 6837357801, 20512073403]

約数ペア:

[(1, 20512073403), (3, 6837357801), (9, 2279119267), (127, 161512389), (131, 156580713), (381, 53837463), (393, 52193571), (1143, 17945821), (1179, 17397857), (16637, 1232919), (49911, 410973), (136991, 149733)]