20488550

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{4937}}^1$

素因数の和:5032

約数の個数: 24

約数和(自身を含む): 38575656

約数和(自身を除く): 18087106

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 415, 830, 2075, 4150, 4937, 9874, 24685, 49370, 123425, 246850, 409771, 819542, 2048855, 4097710, 10244275, 20488550]

約数ペア:

[(1, 20488550), (2, 10244275), (5, 4097710), (10, 2048855), (25, 819542), (50, 409771), (83, 246850), (166, 123425), (415, 49370), (830, 24685), (2075, 9874), (4150, 4937)]