20664266

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20789}}^1$

素因数の和:20869

約数の個数: 16

約数和(自身を含む): 35925120

約数和(自身を除く): 15260854

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 20789, 41578, 145523, 291046, 1476019, 2952038, 10332133, 20664266]

約数ペア:

[(1, 20664266), (2, 10332133), (7, 2952038), (14, 1476019), (71, 291046), (142, 145523), (497, 41578), (994, 20789)]