20909052

素因数分解:

$2^2\times 3^2\times {\mathrm{580807}}^1$

素因数の和:580817

約数の個数: 18

約数和(自身を含む): 52853528

約数和(自身を除く): 31944476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 580807, 1161614, 1742421, 2323228, 3484842, 5227263, 6969684, 10454526, 20909052]

約数ペア:

[(1, 20909052), (2, 10454526), (3, 6969684), (4, 5227263), (6, 3484842), (9, 2323228), (12, 1742421), (18, 1161614), (36, 580807)]