9999020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21737}}^1$

素因数の和:21769

約数の個数: 24

約数和(自身を含む): 21911904

約数和(自身を除く): 11912884

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 21737, 43474, 86948, 108685, 217370, 434740, 499951, 999902, 1999804, 2499755, 4999510, 9999020]

約数ペア:

[(1, 9999020), (2, 4999510), (4, 2499755), (5, 1999804), (10, 999902), (20, 499951), (23, 434740), (46, 217370), (92, 108685), (115, 86948), (230, 43474), (460, 21737)]