20213305855

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{2659}}^1\times {\mathrm{66103}}^1$

素因数の和:68790

約数の個数: 16

約数和(自身を含む): 25320476160

約数和(自身を除く): 5107170305

約数列:

[1, 5, 23, 115, 2659, 13295, 61157, 66103, 305785, 330515, 1520369, 7601845, 175767877, 878839385, 4042661171, 20213305855]

約数ペア:

[(1, 20213305855), (5, 4042661171), (23, 878839385), (115, 175767877), (2659, 7601845), (13295, 1520369), (61157, 330515), (66103, 305785)]