20940639

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{769}}^1$

素因数の和:1114

約数の個数: 16

約数和(自身を含む): 29013600

約数和(自身を除く): 8072961

約数列:

[1, 3, 29, 87, 313, 769, 939, 2307, 9077, 22301, 27231, 66903, 240697, 722091, 6980213, 20940639]

約数ペア:

[(1, 20940639), (3, 6980213), (29, 722091), (87, 240697), (313, 66903), (769, 27231), (939, 22301), (2307, 9077)]