20084855

素因数分解:

$5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1123}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 28446192

約数和(自身を除く): 8361337

約数列:

[1, 5, 7, 35, 49, 73, 245, 365, 511, 1123, 2555, 3577, 5615, 7861, 17885, 39305, 55027, 81979, 275135, 409895, 573853, 2869265, 4016971, 20084855]

約数ペア:

[(1, 20084855), (5, 4016971), (7, 2869265), (35, 573853), (49, 409895), (73, 275135), (245, 81979), (365, 55027), (511, 39305), (1123, 17885), (2555, 7861), (3577, 5615)]