20284496

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{4933}}^1$

素因数の和:5198

約数の個数: 20

約数和(自身を含む): 39462132

約数和(自身を除く): 19177636

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 4933, 9866, 19732, 39464, 78928, 1267781, 2535562, 5071124, 10142248, 20284496]

約数ペア:

[(1, 20284496), (2, 10142248), (4, 5071124), (8, 2535562), (16, 1267781), (257, 78928), (514, 39464), (1028, 19732), (2056, 9866), (4112, 4933)]