20168020900

素因数分解:

$2^2\times 5^2\times {\mathrm{201680209}}^1$

素因数の和:201680223

約数の個数: 18

約数和(自身を含む): 43764605570

約数和(自身を除く): 23596584670

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 201680209, 403360418, 806720836, 1008401045, 2016802090, 4033604180, 5042005225, 10084010450, 20168020900]

約数ペア:

[(1, 20168020900), (2, 10084010450), (4, 5042005225), (5, 4033604180), (10, 2016802090), (20, 1008401045), (25, 806720836), (50, 403360418), (100, 201680209)]