20354389

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1223}}^1$

素因数の和:1340

約数の個数: 16

約数和(自身を含む): 23794560

約数和(自身を除く): 3440171

約数列:

[1, 11, 17, 89, 187, 979, 1223, 1513, 13453, 16643, 20791, 108847, 228701, 1197317, 1850399, 20354389]

約数ペア:

[(1, 20354389), (11, 1850399), (17, 1197317), (89, 228701), (187, 108847), (979, 20791), (1223, 16643), (1513, 13453)]