20899021

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1447}}^1$

素因数の和:1572

約数の個数: 16

約数和(自身を含む): 24812928

約数和(自身を除く): 3913907

約数列:

[1, 11, 13, 101, 143, 1111, 1313, 1447, 14443, 15917, 18811, 146147, 206921, 1607617, 1899911, 20899021]

約数ペア:

[(1, 20899021), (11, 1899911), (13, 1607617), (101, 206921), (143, 146147), (1111, 18811), (1313, 15917), (1447, 14443)]