20425258

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 37740384

約数和(自身を除く): 17315126

約数列:

[1, 2, 7, 14, 37, 43, 49, 74, 86, 98, 131, 259, 262, 301, 518, 602, 917, 1591, 1813, 1834, 2107, 3182, 3626, 4214, 4847, 5633, 6419, 9694, 11137, 11266, 12838, 22274, 33929, 39431, 67858, 77959, 78862, 155918, 208421, 237503, 276017, 416842, 475006, 552034, 1458947, 2917894, 10212629, 20425258]

約数ペア:

[(1, 20425258), (2, 10212629), (7, 2917894), (14, 1458947), (37, 552034), (43, 475006), (49, 416842), (74, 276017), (86, 237503), (98, 208421), (131, 155918), (259, 78862), (262, 77959), (301, 67858), (518, 39431), (602, 33929), (917, 22274), (1591, 12838), (1813, 11266), (1834, 11137), (2107, 9694), (3182, 6419), (3626, 5633), (4214, 4847)]