20425747390

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{205967}}^1$

素因数の和:206232

約数の個数: 32

約数和(自身を含む): 37726746624

約数和(自身を除く): 17300999234

約数列:

[1, 2, 5, 10, 47, 94, 211, 235, 422, 470, 1055, 2110, 9917, 19834, 49585, 99170, 205967, 411934, 1029835, 2059670, 9680449, 19360898, 43459037, 48402245, 86918074, 96804490, 217295185, 434590370, 2042574739, 4085149478, 10212873695, 20425747390]

約数ペア:

[(1, 20425747390), (2, 10212873695), (5, 4085149478), (10, 2042574739), (47, 434590370), (94, 217295185), (211, 96804490), (235, 86918074), (422, 48402245), (470, 43459037), (1055, 19360898), (2110, 9680449), (9917, 2059670), (19834, 1029835), (49585, 411934), (99170, 205967)]