20386646

素因数分解:

$2^1\times 7^2\times {\mathrm{277}}^1\times {\mathrm{751}}^1$

素因数の和:1044

約数の個数: 24

約数和(自身を含む): 35748576

約数和(自身を除く): 15361930

約数列:

[1, 2, 7, 14, 49, 98, 277, 554, 751, 1502, 1939, 3878, 5257, 10514, 13573, 27146, 36799, 73598, 208027, 416054, 1456189, 2912378, 10193323, 20386646]

約数ペア:

[(1, 20386646), (2, 10193323), (7, 2912378), (14, 1456189), (49, 416054), (98, 208027), (277, 73598), (554, 36799), (751, 27146), (1502, 13573), (1939, 10514), (3878, 5257)]