20194994488

素因数分解:

$2^3\times {\mathrm{2161}}^1\times {\mathrm{1168151}}^1$

素因数の和:1170318

約数の個数: 16

約数和(自身を含む): 37883169360

約数和(自身を除く): 17688174872

約数列:

[1, 2, 4, 8, 2161, 4322, 8644, 17288, 1168151, 2336302, 4672604, 9345208, 2524374311, 5048748622, 10097497244, 20194994488]

約数ペア:

[(1, 20194994488), (2, 10097497244), (4, 5048748622), (8, 2524374311), (2161, 9345208), (4322, 4672604), (8644, 2336302), (17288, 1168151)]