201911020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{438937}}^1$

素因数の和:438969

約数の個数: 24

約数和(自身を含む): 442449504

約数和(自身を除く): 240538484

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 438937, 877874, 1755748, 2194685, 4389370, 8778740, 10095551, 20191102, 40382204, 50477755, 100955510, 201911020]

約数ペア:

[(1, 201911020), (2, 100955510), (4, 50477755), (5, 40382204), (10, 20191102), (20, 10095551), (23, 8778740), (46, 4389370), (92, 2194685), (115, 1755748), (230, 877874), (460, 438937)]