13316620

素因数分解:

$2^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{821}}^1$

素因数の和:1641

約数の個数: 24

約数和(自身を含む): 28033488

約数和(自身を除く): 14716868

約数列:

[1, 2, 4, 5, 10, 20, 811, 821, 1622, 1642, 3244, 3284, 4055, 4105, 8110, 8210, 16220, 16420, 665831, 1331662, 2663324, 3329155, 6658310, 13316620]

約数ペア:

[(1, 13316620), (2, 6658310), (4, 3329155), (5, 2663324), (10, 1331662), (20, 665831), (811, 16420), (821, 16220), (1622, 8210), (1642, 8110), (3244, 4105), (3284, 4055)]