20295021

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{4507}}^1$

素因数の和:4608

約数の個数: 16

約数和(自身を含む): 28851200

約数和(自身を除く): 8556179

約数列:

[1, 3, 19, 57, 79, 237, 1501, 4503, 4507, 13521, 85633, 256899, 356053, 1068159, 6765007, 20295021]

約数ペア:

[(1, 20295021), (3, 6765007), (19, 1068159), (57, 356053), (79, 256899), (237, 85633), (1501, 13521), (4503, 4507)]