20809547

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{433}}^1$

素因数の和:718

約数の個数: 16

約数和(自身を含む): 24185952

約数和(自身を除く): 3376405

約数列:

[1, 11, 17, 187, 257, 433, 2827, 4369, 4763, 7361, 48059, 80971, 111281, 1224091, 1891777, 20809547]

約数ペア:

[(1, 20809547), (11, 1891777), (17, 1224091), (187, 111281), (257, 80971), (433, 48059), (2827, 7361), (4369, 4763)]