2045580016

素因数分解:

$2^4\times {\mathrm{1223}}^1\times {\mathrm{104537}}^1$

素因数の和:105768

約数の個数: 20

約数和(自身を含む): 3966589872

約数和(自身を除く): 1921009856

約数列:

[1, 2, 4, 8, 16, 1223, 2446, 4892, 9784, 19568, 104537, 209074, 418148, 836296, 1672592, 127848751, 255697502, 511395004, 1022790008, 2045580016]

約数ペア:

[(1, 2045580016), (2, 1022790008), (4, 511395004), (8, 255697502), (16, 127848751), (1223, 1672592), (2446, 836296), (4892, 418148), (9784, 209074), (19568, 104537)]