2020138405

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{449419}}^1$

素因数の和:449484

約数の個数: 16

約数和(自身を含む): 2588659200

約数和(自身を除く): 568520795

約数列:

[1, 5, 29, 31, 145, 155, 899, 4495, 449419, 2247095, 13033151, 13931989, 65165755, 69659945, 404027681, 2020138405]

約数ペア:

[(1, 2020138405), (5, 404027681), (29, 69659945), (31, 65165755), (145, 13931989), (155, 13033151), (899, 2247095), (4495, 449419)]