20611922

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31907}}^1$

素因数の和:31945

約数の個数: 16

約数和(自身を含む): 34460640

約数和(自身を除く): 13848718

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 31907, 63814, 542419, 606233, 1084838, 1212466, 10305961, 20611922]

約数ペア:

[(1, 20611922), (2, 10305961), (17, 1212466), (19, 1084838), (34, 606233), (38, 542419), (323, 63814), (646, 31907)]