20966906

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{887}}^1$

素因数の和:1165

約数の個数: 16

約数和(自身を含む): 32223744

約数和(自身を除く): 11256838

約数列:

[1, 2, 53, 106, 223, 446, 887, 1774, 11819, 23638, 47011, 94022, 197801, 395602, 10483453, 20966906]

約数ペア:

[(1, 20966906), (2, 10483453), (53, 395602), (106, 197801), (223, 94022), (446, 47011), (887, 23638), (1774, 11819)]