17552980

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1069}}^1$

素因数の和:1899

約数の個数: 24

約数和(自身を含む): 36940680

約数和(自身を除く): 19387700

約数列:

[1, 2, 4, 5, 10, 20, 821, 1069, 1642, 2138, 3284, 4105, 4276, 5345, 8210, 10690, 16420, 21380, 877649, 1755298, 3510596, 4388245, 8776490, 17552980]

約数ペア:

[(1, 17552980), (2, 8776490), (4, 4388245), (5, 3510596), (10, 1755298), (20, 877649), (821, 21380), (1069, 16420), (1642, 10690), (2138, 8210), (3284, 5345), (4105, 4276)]