20528277

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{88867}}^1$

素因数の和:88888

約数の個数: 16

約数和(自身を含む): 34125312

約数和(自身を除く): 13597035

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 88867, 266601, 622069, 977537, 1866207, 2932611, 6842759, 20528277]

約数ペア:

[(1, 20528277), (3, 6842759), (7, 2932611), (11, 1866207), (21, 977537), (33, 622069), (77, 266601), (231, 88867)]