20859728

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{27739}}^1$

素因数の和:27794

約数の個数: 20

約数和(自身を含む): 41277120

約数和(自身を除く): 20417392

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 27739, 55478, 110956, 221912, 443824, 1303733, 2607466, 5214932, 10429864, 20859728]

約数ペア:

[(1, 20859728), (2, 10429864), (4, 5214932), (8, 2607466), (16, 1303733), (47, 443824), (94, 221912), (188, 110956), (376, 55478), (752, 27739)]