20105427

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{4349}}^1$

素因数の和:4442

約数の個数: 16

約数和(自身を含む): 28396800

約数和(自身を除く): 8291373

約数列:

[1, 3, 23, 67, 69, 201, 1541, 4349, 4623, 13047, 100027, 291383, 300081, 874149, 6701809, 20105427]

約数ペア:

[(1, 20105427), (3, 6701809), (23, 874149), (67, 300081), (69, 291383), (201, 100027), (1541, 13047), (4349, 4623)]