20089531

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1877}}^1$

素因数の和:2034

約数の個数: 16

約数和(自身を含む): 25240320

約数和(自身を除く): 5150789

約数列:

[1, 7, 11, 77, 139, 973, 1529, 1877, 10703, 13139, 20647, 144529, 260903, 1826321, 2869933, 20089531]

約数ペア:

[(1, 20089531), (7, 2869933), (11, 1826321), (77, 260903), (139, 144529), (973, 20647), (1529, 13139), (1877, 10703)]