16681540

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6367}}^1$

素因数の和:6507

約数の個数: 24

約数和(自身を含む): 35304192

約数和(自身を除く): 18622652

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 6367, 12734, 25468, 31835, 63670, 127340, 834077, 1668154, 3336308, 4170385, 8340770, 16681540]

約数ペア:

[(1, 16681540), (2, 8340770), (4, 4170385), (5, 3336308), (10, 1668154), (20, 834077), (131, 127340), (262, 63670), (524, 31835), (655, 25468), (1310, 12734), (2620, 6367)]