20286989

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{769}}^1$

素因数の和:860

約数の個数: 16

約数和(自身を含む): 22471680

約数和(自身を除く): 2184691

約数列:

[1, 23, 31, 37, 713, 769, 851, 1147, 17687, 23839, 26381, 28453, 548297, 654419, 882043, 20286989]

約数ペア:

[(1, 20286989), (23, 882043), (31, 654419), (37, 548297), (713, 28453), (769, 26381), (851, 23839), (1147, 17687)]