20410256

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67139}}^1$

素因数の和:67166

約数の個数: 20

約数和(自身を含む): 41626800

約数和(自身を除く): 21216544

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67139, 134278, 268556, 537112, 1074224, 1275641, 2551282, 5102564, 10205128, 20410256]

約数ペア:

[(1, 20410256), (2, 10205128), (4, 5102564), (8, 2551282), (16, 1275641), (19, 1074224), (38, 537112), (76, 268556), (152, 134278), (304, 67139)]