20411536

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{27143}}^1$

素因数の和:27198

約数の個数: 20

約数和(自身を含む): 40390272

約数和(自身を除く): 19978736

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 27143, 54286, 108572, 217144, 434288, 1275721, 2551442, 5102884, 10205768, 20411536]

約数ペア:

[(1, 20411536), (2, 10205768), (4, 5102884), (8, 2551442), (16, 1275721), (47, 434288), (94, 217144), (188, 108572), (376, 54286), (752, 27143)]