20674564

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{4817}}^1$

素因数の和:4887

約数の個数: 24

約数和(自身を含む): 38447640

約数和(自身を除く): 17773076

約数列:

[1, 2, 4, 29, 37, 58, 74, 116, 148, 1073, 2146, 4292, 4817, 9634, 19268, 139693, 178229, 279386, 356458, 558772, 712916, 5168641, 10337282, 20674564]

約数ペア:

[(1, 20674564), (2, 10337282), (4, 5168641), (29, 712916), (37, 558772), (58, 356458), (74, 279386), (116, 178229), (148, 139693), (1073, 19268), (2146, 9634), (4292, 4817)]