20189020900

素因数分解:

$2^2\times 5^2\times {\mathrm{201890209}}^1$

素因数の和:201890223

約数の個数: 18

約数和(自身を含む): 43810175570

約数和(自身を除く): 23621154670

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 201890209, 403780418, 807560836, 1009451045, 2018902090, 4037804180, 5047255225, 10094510450, 20189020900]

約数ペア:

[(1, 20189020900), (2, 10094510450), (4, 5047255225), (5, 4037804180), (10, 2018902090), (20, 1009451045), (25, 807560836), (50, 403780418), (100, 201890209)]