20067280

素因数分解:

$2^4\times 5^1\times {\mathrm{250841}}^1$

素因数の和:250854

約数の個数: 20

約数和(自身を含む): 46656612

約数和(自身を除く): 26589332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 250841, 501682, 1003364, 1254205, 2006728, 2508410, 4013456, 5016820, 10033640, 20067280]

約数ペア:

[(1, 20067280), (2, 10033640), (4, 5016820), (5, 4013456), (8, 2508410), (10, 2006728), (16, 1254205), (20, 1003364), (40, 501682), (80, 250841)]