20163395

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6473}}^1$

素因数の和:6574

約数の個数: 16

約数和(自身を含む): 27967680

約数和(自身を除く): 7804285

約数列:

[1, 5, 7, 35, 89, 445, 623, 3115, 6473, 32365, 45311, 226555, 576097, 2880485, 4032679, 20163395]

約数ペア:

[(1, 20163395), (5, 4032679), (7, 2880485), (35, 576097), (89, 226555), (445, 45311), (623, 32365), (3115, 6473)]