20802243

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90053}}^1$

素因数の和:90074

約数の個数: 16

約数和(自身を含む): 34580736

約数和(自身を除く): 13778493

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 90053, 270159, 630371, 990583, 1891113, 2971749, 6934081, 20802243]

約数ペア:

[(1, 20802243), (3, 6934081), (7, 2971749), (11, 1891113), (21, 990583), (33, 630371), (77, 270159), (231, 90053)]