20974045

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{673}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 26399232

約数和(自身を除く): 5425187

約数列:

[1, 5, 23, 115, 271, 673, 1355, 3365, 6233, 15479, 31165, 77395, 182383, 911915, 4194809, 20974045]

約数ペア:

[(1, 20974045), (5, 4194809), (23, 911915), (115, 182383), (271, 77395), (673, 31165), (1355, 15479), (3365, 6233)]