20178240123

素因数分解:

$3^1\times {\mathrm{359}}^1\times {\mathrm{4157}}^1\times {\mathrm{4507}}^1$

素因数の和:9026

約数の個数: 16

約数和(自身を含む): 26991740160

約数和(自身を除く): 6813500037

約数列:

[1, 3, 359, 1077, 4157, 4507, 12471, 13521, 1492363, 1618013, 4477089, 4854039, 18735599, 56206797, 6726080041, 20178240123]

約数ペア:

[(1, 20178240123), (3, 6726080041), (359, 56206797), (1077, 18735599), (4157, 4854039), (4507, 4477089), (12471, 1618013), (13521, 1492363)]