20503546

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{77081}}^1$

素因数の和:77109

約数の個数: 16

約数和(自身を含む): 36999360

約数和(自身を除く): 16495814

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 77081, 154162, 539567, 1079134, 1464539, 2929078, 10251773, 20503546]

約数ペア:

[(1, 20503546), (2, 10251773), (7, 2929078), (14, 1464539), (19, 1079134), (38, 539567), (133, 154162), (266, 77081)]