12686980

素因数分解:

$2^2\times 5^1\times {\mathrm{677}}^1\times {\mathrm{937}}^1$

素因数の和:1623

約数の個数: 24

約数和(自身を含む): 26710488

約数和(自身を除く): 14023508

約数列:

[1, 2, 4, 5, 10, 20, 677, 937, 1354, 1874, 2708, 3385, 3748, 4685, 6770, 9370, 13540, 18740, 634349, 1268698, 2537396, 3171745, 6343490, 12686980]

約数ペア:

[(1, 12686980), (2, 6343490), (4, 3171745), (5, 2537396), (10, 1268698), (20, 634349), (677, 18740), (937, 13540), (1354, 9370), (1874, 6770), (2708, 4685), (3385, 3748)]