16347820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7499}}^1$

素因数の和:7617

約数の個数: 24

約数和(自身を含む): 34650000

約数和(自身を除く): 18302180

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 7499, 14998, 29996, 37495, 74990, 149980, 817391, 1634782, 3269564, 4086955, 8173910, 16347820]

約数ペア:

[(1, 16347820), (2, 8173910), (4, 4086955), (5, 3269564), (10, 1634782), (20, 817391), (109, 149980), (218, 74990), (436, 37495), (545, 29996), (1090, 14998), (2180, 7499)]