20966554

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{24551}}^1$

素因数の和:24621

約数の個数: 16

約数和(自身を含む): 36533376

約数和(自身を除く): 15566822

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 24551, 49102, 171857, 343714, 1497611, 2995222, 10483277, 20966554]

約数ペア:

[(1, 20966554), (2, 10483277), (7, 2995222), (14, 1497611), (61, 343714), (122, 171857), (427, 49102), (854, 24551)]