13428820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{35339}}^1$

素因数の和:35367

約数の個数: 24

約数和(自身を含む): 29685600

約数和(自身を除く): 16256780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 35339, 70678, 141356, 176695, 353390, 671441, 706780, 1342882, 2685764, 3357205, 6714410, 13428820]

約数ペア:

[(1, 13428820), (2, 6714410), (4, 3357205), (5, 2685764), (10, 1342882), (19, 706780), (20, 671441), (38, 353390), (76, 176695), (95, 141356), (190, 70678), (380, 35339)]