20178880021

素因数分解:

${\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{673}}^1\times {\mathrm{11617}}^1$

素因数の和:12408

約数の個数: 16

約数和(自身を含む): 21142436400

約数和(自身を除く): 963556379

約数列:

[1, 29, 89, 673, 2581, 11617, 19517, 59897, 336893, 1033913, 1737013, 7818241, 29983477, 226728989, 695823449, 20178880021]

約数ペア:

[(1, 20178880021), (29, 695823449), (89, 226728989), (673, 29983477), (2581, 7818241), (11617, 1737013), (19517, 1033913), (59897, 336893)]