20783969241

素因数分解:

$3^1\times 7^1\times {\mathrm{10847}}^1\times {\mathrm{91243}}^1$

素因数の和:102100

約数の個数: 16

約数和(自身を含む): 31674077184

約数和(自身を除く): 10890107943

約数列:

[1, 3, 7, 21, 10847, 32541, 75929, 91243, 227787, 273729, 638701, 1916103, 989712821, 2969138463, 6927989747, 20783969241]

約数ペア:

[(1, 20783969241), (3, 6927989747), (7, 2969138463), (21, 989712821), (10847, 1916103), (32541, 638701), (75929, 273729), (91243, 227787)]