20287090

素因数分解:

$2^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{5651}}^1$

素因数の和:6017

約数の個数: 16

約数和(自身を含む): 36624960

約数和(自身を除く): 16337870

約数列:

[1, 2, 5, 10, 359, 718, 1795, 3590, 5651, 11302, 28255, 56510, 2028709, 4057418, 10143545, 20287090]

約数ペア:

[(1, 20287090), (2, 10143545), (5, 4057418), (10, 2028709), (359, 56510), (718, 28255), (1795, 11302), (3590, 5651)]