20512995824

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{15446533}}^1$

素因数の和:15446624

約数の個数: 20

約数和(自身を含む): 40222774536

約数和(自身を除く): 19709778712

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 15446533, 30893066, 61786132, 123572264, 247144528, 1282062239, 2564124478, 5128248956, 10256497912, 20512995824]

約数ペア:

[(1, 20512995824), (2, 10256497912), (4, 5128248956), (8, 2564124478), (16, 1282062239), (83, 247144528), (166, 123572264), (332, 61786132), (664, 30893066), (1328, 15446533)]