20443306

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{1109}}^1$

素因数の和:1833

約数の個数: 16

約数和(自身を含む): 33100200

約数和(自身を除く): 12656894

約数列:

[1, 2, 13, 26, 709, 1109, 1418, 2218, 9217, 14417, 18434, 28834, 786281, 1572562, 10221653, 20443306]

約数ペア:

[(1, 20443306), (2, 10221653), (13, 1572562), (26, 786281), (709, 28834), (1109, 18434), (1418, 14417), (2218, 9217)]