20489364

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81307}}^1$

素因数の和:81324

約数の個数: 36

約数和(自身を含む): 59192224

約数和(自身を除く): 38702860

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81307, 162614, 243921, 325228, 487842, 569149, 731763, 975684, 1138298, 1463526, 1707447, 2276596, 2927052, 3414894, 5122341, 6829788, 10244682, 20489364]

約数ペア:

[(1, 20489364), (2, 10244682), (3, 6829788), (4, 5122341), (6, 3414894), (7, 2927052), (9, 2276596), (12, 1707447), (14, 1463526), (18, 1138298), (21, 975684), (28, 731763), (36, 569149), (42, 487842), (63, 325228), (84, 243921), (126, 162614), (252, 81307)]