20788729

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:408

約数の個数: 16

約数和(自身を含む): 23030784

約数和(自身を除く): 2242055

約数列:

[1, 13, 71, 101, 223, 923, 1313, 2899, 7171, 15833, 22523, 93223, 205829, 292799, 1599133, 20788729]

約数ペア:

[(1, 20788729), (13, 1599133), (71, 292799), (101, 205829), (223, 93223), (923, 22523), (1313, 15833), (2899, 7171)]