20116850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30949}}^1$

素因数の和:30974

約数の個数: 24

約数和(自身を含む): 40296900

約数和(自身を除く): 20180050

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 30949, 61898, 154745, 309490, 402337, 773725, 804674, 1547450, 2011685, 4023370, 10058425, 20116850]

約数ペア:

[(1, 20116850), (2, 10058425), (5, 4023370), (10, 2011685), (13, 1547450), (25, 804674), (26, 773725), (50, 402337), (65, 309490), (130, 154745), (325, 61898), (650, 30949)]