20804511

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{76207}}^1$

素因数の和:76230

約数の個数: 16

約数和(自身を含む): 34141184

約数和(自身を除く): 13336673

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 76207, 228621, 533449, 990691, 1600347, 2972073, 6934837, 20804511]

約数ペア:

[(1, 20804511), (3, 6934837), (7, 2972073), (13, 1600347), (21, 990691), (39, 533449), (91, 228621), (273, 76207)]