2019390020

素因数分解:

$2^2\times 5^1\times {\mathrm{100969501}}^1$

素因数の和:100969510

約数の個数: 12

約数和(自身を含む): 4240719084

約数和(自身を除く): 2221329064

約数列:

[1, 2, 4, 5, 10, 20, 100969501, 201939002, 403878004, 504847505, 1009695010, 2019390020]

約数ペア:

[(1, 2019390020), (2, 1009695010), (4, 504847505), (5, 403878004), (10, 201939002), (20, 100969501)]