20121247797

素因数分解:

$3^1\times 7^1\times {\mathrm{3547}}^1\times {\mathrm{270131}}^1$

素因数の和:273688

約数の個数: 16

約数和(自身を含む): 30669706752

約数和(自身を除く): 10548458955

約数列:

[1, 3, 7, 21, 3547, 10641, 24829, 74487, 270131, 810393, 1890917, 5672751, 958154657, 2874463971, 6707082599, 20121247797]

約数ペア:

[(1, 20121247797), (3, 6707082599), (7, 2874463971), (21, 958154657), (3547, 5672751), (10641, 1890917), (24829, 810393), (74487, 270131)]