20881013080

素因数分解:

$2^3\times 5^1\times {\mathrm{522025327}}^1$

素因数の和:522025338

約数の個数: 16

約数和(自身を含む): 46982279520

約数和(自身を除く): 26101266440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 522025327, 1044050654, 2088101308, 2610126635, 4176202616, 5220253270, 10440506540, 20881013080]

約数ペア:

[(1, 20881013080), (2, 10440506540), (4, 5220253270), (5, 4176202616), (8, 2610126635), (10, 2088101308), (20, 1044050654), (40, 522025327)]