20441491

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{997}}^1$

素因数の和:1134

約数の個数: 16

約数和(自身を含む): 24431040

約数和(自身を除く): 3989549

約数列:

[1, 7, 29, 101, 203, 707, 997, 2929, 6979, 20503, 28913, 100697, 202391, 704879, 2920213, 20441491]

約数ペア:

[(1, 20441491), (7, 2920213), (29, 704879), (101, 202391), (203, 100697), (707, 28913), (997, 20503), (2929, 6979)]