20139854

素因数分解:

$2^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{2029}}^1$

素因数の和:2747

約数の個数: 16

約数和(自身を含む): 34591200

約数和(自身を除く): 14451346

約数列:

[1, 2, 7, 14, 709, 1418, 2029, 4058, 4963, 9926, 14203, 28406, 1438561, 2877122, 10069927, 20139854]

約数ペア:

[(1, 20139854), (2, 10069927), (7, 2877122), (14, 1438561), (709, 28406), (1418, 14203), (2029, 9926), (4058, 4963)]