84320020

素因数分解:

$2^2\times 5^1\times {\mathrm{4216001}}^1$

素因数の和:4216010

約数の個数: 12

約数和(自身を含む): 177072084

約数和(自身を除く): 92752064

約数列:

[1, 2, 4, 5, 10, 20, 4216001, 8432002, 16864004, 21080005, 42160010, 84320020]

約数ペア:

[(1, 84320020), (2, 42160010), (4, 21080005), (5, 16864004), (10, 8432002), (20, 4216001)]