20776444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8501}}^1$

素因数の和:8565

約数の個数: 24

約数和(自身を含む): 39993408

約数和(自身を除く): 19216964

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 1222, 2444, 8501, 17002, 34004, 110513, 221026, 399547, 442052, 799094, 1598188, 5194111, 10388222, 20776444]

約数ペア:

[(1, 20776444), (2, 10388222), (4, 5194111), (13, 1598188), (26, 799094), (47, 442052), (52, 399547), (94, 221026), (188, 110513), (611, 34004), (1222, 17002), (2444, 8501)]