20919333

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{2371}}^1$

素因数の和:2564

約数の個数: 16

約数和(自身を含む): 29716416

約数和(自身を除く): 8797083

約数列:

[1, 3, 17, 51, 173, 519, 2371, 2941, 7113, 8823, 40307, 120921, 410183, 1230549, 6973111, 20919333]

約数ペア:

[(1, 20919333), (3, 6973111), (17, 1230549), (51, 410183), (173, 120921), (519, 40307), (2371, 8823), (2941, 7113)]