20700902

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1997}}^1$

素因数の和:2143

約数の個数: 16

約数和(自身を含む): 31936032

約数和(自身を除く): 11235130

約数列:

[1, 2, 71, 73, 142, 146, 1997, 3994, 5183, 10366, 141787, 145781, 283574, 291562, 10350451, 20700902]

約数ペア:

[(1, 20700902), (2, 10350451), (71, 291562), (73, 283574), (142, 145781), (146, 141787), (1997, 10366), (3994, 5183)]