20808852477

素因数分解:

$3^1\times 7^1\times {\mathrm{3061}}^1\times {\mathrm{323717}}^1$

素因数の和:326788

約数の個数: 16

約数和(自身を含む): 31719184512

約数和(自身を除く): 10910332035

約数列:

[1, 3, 7, 21, 3061, 9183, 21427, 64281, 323717, 971151, 2266019, 6798057, 990897737, 2972693211, 6936284159, 20808852477]

約数ペア:

[(1, 20808852477), (3, 6936284159), (7, 2972693211), (21, 990897737), (3061, 6798057), (9183, 2266019), (21427, 971151), (64281, 323717)]