20689242

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{492601}}^1$

素因数の和:492613

約数の個数: 16

約数和(自身を含む): 47289792

約数和(自身を除く): 26600550

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 492601, 985202, 1477803, 2955606, 3448207, 6896414, 10344621, 20689242]

約数ペア:

[(1, 20689242), (2, 10344621), (3, 6896414), (6, 3448207), (7, 2955606), (14, 1477803), (21, 985202), (42, 492601)]