20213025344

素因数分解:

$2^6\times {\mathrm{647}}^1\times {\mathrm{488143}}^1$

素因数の和:488802

約数の個数: 28

約数和(自身を含む): 40172298624

約数和(自身を除く): 19959273280

約数列:

[1, 2, 4, 8, 16, 32, 64, 647, 1294, 2588, 5176, 10352, 20704, 41408, 488143, 976286, 1952572, 3905144, 7810288, 15620576, 31241152, 315828521, 631657042, 1263314084, 2526628168, 5053256336, 10106512672, 20213025344]

約数ペア:

[(1, 20213025344), (2, 10106512672), (4, 5053256336), (8, 2526628168), (16, 1263314084), (32, 631657042), (64, 315828521), (647, 31241152), (1294, 15620576), (2588, 7810288), (5176, 3905144), (10352, 1952572), (20704, 976286), (41408, 488143)]