20417264

素因数分解:

$2^4\times 7^1\times {\mathrm{182297}}^1$

素因数の和:182312

約数の個数: 20

約数和(自身を含む): 45209904

約数和(自身を除く): 24792640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 182297, 364594, 729188, 1276079, 1458376, 2552158, 2916752, 5104316, 10208632, 20417264]

約数ペア:

[(1, 20417264), (2, 10208632), (4, 5104316), (7, 2916752), (8, 2552158), (14, 1458376), (16, 1276079), (28, 729188), (56, 364594), (112, 182297)]