20788033

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1049}}^1$

素因数の和:1224

約数の個数: 16

約数和(自身を含む): 25200000

約数和(自身を除く): 4411967

約数列:

[1, 7, 19, 133, 149, 1043, 1049, 2831, 7343, 19817, 19931, 139517, 156301, 1094107, 2969719, 20788033]

約数ペア:

[(1, 20788033), (7, 2969719), (19, 1094107), (133, 156301), (149, 139517), (1043, 19931), (1049, 19817), (2831, 7343)]