6690020

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2003}}^1$

素因数の和:2179

約数の個数: 24

約数和(自身を含む): 14140224

約数和(自身を除く): 7450204

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 2003, 3340, 4006, 8012, 10015, 20030, 40060, 334501, 669002, 1338004, 1672505, 3345010, 6690020]

約数ペア:

[(1, 6690020), (2, 3345010), (4, 1672505), (5, 1338004), (10, 669002), (20, 334501), (167, 40060), (334, 20030), (668, 10015), (835, 8012), (1670, 4006), (2003, 3340)]