20887270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2339}}^1$

素因数の和:2412

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 19547930

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 2339, 4465, 4678, 8930, 11695, 23390, 44441, 88882, 109933, 219866, 222205, 444410, 549665, 1099330, 2088727, 4177454, 10443635, 20887270]

約数ペア:

[(1, 20887270), (2, 10443635), (5, 4177454), (10, 2088727), (19, 1099330), (38, 549665), (47, 444410), (94, 222205), (95, 219866), (190, 109933), (235, 88882), (470, 44441), (893, 23390), (1786, 11695), (2339, 8930), (4465, 4678)]