20212578

素因数分解:

$2^1\times 3^4\times {\mathrm{124769}}^1$

素因数の和:124783

約数の個数: 20

約数和(自身を含む): 45291510

約数和(自身を除く): 25078932

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 124769, 249538, 374307, 748614, 1122921, 2245842, 3368763, 6737526, 10106289, 20212578]

約数ペア:

[(1, 20212578), (2, 10106289), (3, 6737526), (6, 3368763), (9, 2245842), (18, 1122921), (27, 748614), (54, 374307), (81, 249538), (162, 124769)]