20186143569

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{1902379}}^1$

素因数の和:1902522

約数の個数: 20

約数和(自身を含む): 30384813360

約数和(自身を除く): 10198669791

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 3537, 10611, 1902379, 5707137, 17121411, 51364233, 154092699, 249211649, 747634947, 2242904841, 6728714523, 20186143569]

約数ペア:

[(1, 20186143569), (3, 6728714523), (9, 2242904841), (27, 747634947), (81, 249211649), (131, 154092699), (393, 51364233), (1179, 17121411), (3537, 5707137), (10611, 1902379)]