20166800

素因数分解:

$2^4\times 5^2\times {\mathrm{50417}}^1$

素因数の和:50435

約数の個数: 30

約数和(自身を含む): 48451698

約数和(自身を除く): 28284898

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50417, 100834, 201668, 252085, 403336, 504170, 806672, 1008340, 1260425, 2016680, 2520850, 4033360, 5041700, 10083400, 20166800]

約数ペア:

[(1, 20166800), (2, 10083400), (4, 5041700), (5, 4033360), (8, 2520850), (10, 2016680), (16, 1260425), (20, 1008340), (25, 806672), (40, 504170), (50, 403336), (80, 252085), (100, 201668), (200, 100834), (400, 50417)]