20385946

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20509}}^1$

素因数の和:20589

約数の個数: 16

約数和(自身を含む): 35441280

約数和(自身を除く): 15055334

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 20509, 41018, 143563, 287126, 1456139, 2912278, 10192973, 20385946]

約数ペア:

[(1, 20385946), (2, 10192973), (7, 2912278), (14, 1456139), (71, 287126), (142, 143563), (497, 41018), (994, 20509)]