20866703

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{433}}^1$

素因数の和:794

約数の個数: 16

約数和(自身を含む): 24644256

約数和(自身を除く): 3777553

約数列:

[1, 11, 13, 143, 337, 433, 3707, 4381, 4763, 5629, 48191, 61919, 145921, 1605131, 1896973, 20866703]

約数ペア:

[(1, 20866703), (11, 1896973), (13, 1605131), (143, 145921), (337, 61919), (433, 48191), (3707, 5629), (4381, 4763)]