20110840

素因数分解:

$2^3\times 5^1\times {\mathrm{502771}}^1$

素因数の和:502782

約数の個数: 16

約数和(自身を含む): 45249480

約数和(自身を除く): 25138640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 502771, 1005542, 2011084, 2513855, 4022168, 5027710, 10055420, 20110840]

約数ペア:

[(1, 20110840), (2, 10055420), (4, 5027710), (5, 4022168), (8, 2513855), (10, 2011084), (20, 1005542), (40, 502771)]