20347845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{193789}}^1$

素因数の和:193804

約数の個数: 16

約数和(自身を含む): 37207680

約数和(自身を除く): 16859835

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 193789, 581367, 968945, 1356523, 2906835, 4069569, 6782615, 20347845]

約数ペア:

[(1, 20347845), (3, 6782615), (5, 4069569), (7, 2906835), (15, 1356523), (21, 968945), (35, 581367), (105, 193789)]