20089581

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{641}}^1$

素因数の和:1012

約数の個数: 16

約数和(自身を含む): 27775488

約数和(自身を除く): 7685907

約数列:

[1, 3, 31, 93, 337, 641, 1011, 1923, 10447, 19871, 31341, 59613, 216017, 648051, 6696527, 20089581]

約数ペア:

[(1, 20089581), (3, 6696527), (31, 648051), (93, 216017), (337, 59613), (641, 31341), (1011, 19871), (1923, 10447)]