20658554

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{64157}}^1$

素因数の和:64189

約数の個数: 16

約数和(自身を含む): 36955008

約数和(自身を除く): 16296454

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 64157, 128314, 449099, 898198, 1475611, 2951222, 10329277, 20658554]

約数ペア:

[(1, 20658554), (2, 10329277), (7, 2951222), (14, 1475611), (23, 898198), (46, 449099), (161, 128314), (322, 64157)]