20180176149

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1129}}^1\times {\mathrm{1609}}^1$

素因数の和:2794

約数の個数: 48

約数和(自身を含む): 32194332800

約数和(自身を除く): 12014156651

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 529, 1129, 1587, 1609, 3387, 3703, 4827, 7903, 11109, 11263, 23709, 25967, 33789, 37007, 77901, 111021, 181769, 259049, 545307, 597241, 777147, 851161, 1791723, 1816561, 2553483, 4180687, 5449683, 5958127, 12542061, 12715927, 17874381, 38147781, 41780903, 125342709, 292466321, 877398963, 960960769, 2882882307, 6726725383, 20180176149]

約数ペア:

[(1, 20180176149), (3, 6726725383), (7, 2882882307), (21, 960960769), (23, 877398963), (69, 292466321), (161, 125342709), (483, 41780903), (529, 38147781), (1129, 17874381), (1587, 12715927), (1609, 12542061), (3387, 5958127), (3703, 5449683), (4827, 4180687), (7903, 2553483), (11109, 1816561), (11263, 1791723), (23709, 851161), (25967, 777147), (33789, 597241), (37007, 545307), (77901, 259049), (111021, 181769)]