20005340

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5237}}^1$

素因数の和:5437

約数の個数: 24

約数和(自身を含む): 42239232

約数和(自身を除く): 22233892

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 5237, 10474, 20948, 26185, 52370, 104740, 1000267, 2000534, 4001068, 5001335, 10002670, 20005340]

約数ペア:

[(1, 20005340), (2, 10002670), (4, 5001335), (5, 4001068), (10, 2000534), (20, 1000267), (191, 104740), (382, 52370), (764, 26185), (955, 20948), (1910, 10474), (3820, 5237)]