20616478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{5563}}^1$

素因数の和:5691

約数の個数: 16

約数和(自身を含む): 33050160

約数和(自身を除く): 12433682

約数列:

[1, 2, 17, 34, 109, 218, 1853, 3706, 5563, 11126, 94571, 189142, 606367, 1212734, 10308239, 20616478]

約数ペア:

[(1, 20616478), (2, 10308239), (17, 1212734), (34, 606367), (109, 189142), (218, 94571), (1853, 11126), (3706, 5563)]