20086015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{449}}^1$

素因数の和:866

約数の個数: 16

約数和(自身を含む): 25272000

約数和(自身を除く): 5185985

約数列:

[1, 5, 23, 115, 389, 449, 1945, 2245, 8947, 10327, 44735, 51635, 174661, 873305, 4017203, 20086015]

約数ペア:

[(1, 20086015), (5, 4017203), (23, 873305), (115, 174661), (389, 51635), (449, 44735), (1945, 10327), (2245, 8947)]