20866087

素因数分解:

${\mathrm{11}}^3\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:351

約数の個数: 16

約数和(自身を含む): 23418144

約数和(自身を除く): 2552057

約数列:

[1, 11, 61, 121, 257, 671, 1331, 2827, 7381, 15677, 31097, 81191, 172447, 342067, 1896917, 20866087]

約数ペア:

[(1, 20866087), (11, 1896917), (61, 342067), (121, 172447), (257, 81191), (671, 31097), (1331, 15677), (2827, 7381)]