20171120890

素因数分解:

$2^1\times 5^1\times {\mathrm{2029}}^1\times {\mathrm{994141}}^1$

素因数の和:996177

約数の個数: 16

約数和(自身を含む): 36325948680

約数和(自身を除く): 16154827790

約数列:

[1, 2, 5, 10, 2029, 4058, 10145, 20290, 994141, 1988282, 4970705, 9941410, 2017112089, 4034224178, 10085560445, 20171120890]

約数ペア:

[(1, 20171120890), (2, 10085560445), (5, 4034224178), (10, 2017112089), (2029, 9941410), (4058, 4970705), (10145, 1988282), (20290, 994141)]