15720894

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{124769}}^1$

素因数の和:124784

約数の個数: 24

約数和(自身を含む): 38928240

約数和(自身を除く): 23207346

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 124769, 249538, 374307, 748614, 873383, 1122921, 1746766, 2245842, 2620149, 5240298, 7860447, 15720894]

約数ペア:

[(1, 15720894), (2, 7860447), (3, 5240298), (6, 2620149), (7, 2245842), (9, 1746766), (14, 1122921), (18, 873383), (21, 748614), (42, 374307), (63, 249538), (126, 124769)]