20205508

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{499}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 36288000

約数和(自身を除く): 16082492

約数列:

[1, 2, 4, 53, 106, 191, 212, 382, 499, 764, 998, 1996, 10123, 20246, 26447, 40492, 52894, 95309, 105788, 190618, 381236, 5051377, 10102754, 20205508]

約数ペア:

[(1, 20205508), (2, 10102754), (4, 5051377), (53, 381236), (106, 190618), (191, 105788), (212, 95309), (382, 52894), (499, 40492), (764, 26447), (998, 20246), (1996, 10123)]