20199552789

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{386809}}^1$

素因数の和:386941

約数の個数: 24

約数和(自身を含む): 29447071680

約数和(自身を除く): 9247518891

約数列:

[1, 3, 13, 39, 103, 169, 309, 507, 1339, 4017, 17407, 52221, 386809, 1160427, 5028517, 15085551, 39841327, 65370721, 119523981, 196112163, 517937251, 1553811753, 6733184263, 20199552789]

約数ペア:

[(1, 20199552789), (3, 6733184263), (13, 1553811753), (39, 517937251), (103, 196112163), (169, 119523981), (309, 65370721), (507, 39841327), (1339, 15085551), (4017, 5028517), (17407, 1160427), (52221, 386809)]