20049211

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4157}}^1$

素因数の和:4230

約数の個数: 16

約数和(自身を含む): 25147584

約数和(自身を除く): 5098373

約数列:

[1, 7, 13, 53, 91, 371, 689, 4157, 4823, 29099, 54041, 220321, 378287, 1542247, 2864173, 20049211]

約数ペア:

[(1, 20049211), (7, 2864173), (13, 1542247), (53, 378287), (91, 220321), (371, 54041), (689, 29099), (4157, 4823)]