20827857

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{15887}}^1$

素因数の和:15932

約数の個数: 16

約数和(自身を含む): 30504960

約数和(自身を除く): 9677103

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 15887, 47661, 301853, 365401, 905559, 1096203, 6942619, 20827857]

約数ペア:

[(1, 20827857), (3, 6942619), (19, 1096203), (23, 905559), (57, 365401), (69, 301853), (437, 47661), (1311, 15887)]