20705635

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{449}}^1$

素因数の和:878

約数の個数: 16

約数和(自身を含む): 26049600

約数和(自身を除く): 5343965

約数列:

[1, 5, 23, 115, 401, 449, 2005, 2245, 9223, 10327, 46115, 51635, 180049, 900245, 4141127, 20705635]

約数ペア:

[(1, 20705635), (5, 4141127), (23, 900245), (115, 180049), (401, 51635), (449, 46115), (2005, 10327), (2245, 9223)]