20188315

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6481}}^1$

素因数の和:6582

約数の個数: 16

約数和(自身を含む): 28002240

約数和(自身を除く): 7813925

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 6481, 32405, 45367, 226835, 576809, 2884045, 4037663, 20188315]

約数ペア:

[(1, 20188315), (5, 4037663), (7, 2884045), (35, 576809), (89, 226835), (445, 45367), (623, 32405), (3115, 6481)]