20402789

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2381}}^1$

素因数の和:2452

約数の個数: 16

約数和(自身を含む): 24010560

約数和(自身を除く): 3607771

約数列:

[1, 11, 19, 41, 209, 451, 779, 2381, 8569, 26191, 45239, 97621, 497629, 1073831, 1854799, 20402789]

約数ペア:

[(1, 20402789), (11, 1854799), (19, 1073831), (41, 497629), (209, 97621), (451, 45239), (779, 26191), (2381, 8569)]