20744907

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{881}}^1$

素因数の和:1098

約数の個数: 16

約数和(自身を含む): 28449792

約数和(自身を除く): 7704885

約数列:

[1, 3, 47, 141, 167, 501, 881, 2643, 7849, 23547, 41407, 124221, 147127, 441381, 6914969, 20744907]

約数ペア:

[(1, 20744907), (3, 6914969), (47, 441381), (141, 147127), (167, 124221), (501, 41407), (881, 23547), (2643, 7849)]