20553819

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47911}}^1$

素因数の和:47938

約数の個数: 16

約数和(自身を含む): 32196864

約数和(自身を除く): 11643045

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 47911, 143733, 527021, 622843, 1581063, 1868529, 6851273, 20553819]

約数ペア:

[(1, 20553819), (3, 6851273), (11, 1868529), (13, 1581063), (33, 622843), (39, 527021), (143, 143733), (429, 47911)]