20239612870

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28506497}}^1$

素因数の和:28506575

約数の個数: 16

約数和(自身を含む): 36944421408

約数和(自身を除く): 16704808538

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 28506497, 57012994, 142532485, 285064970, 2023961287, 4047922574, 10119806435, 20239612870]

約数ペア:

[(1, 20239612870), (2, 10119806435), (5, 4047922574), (10, 2023961287), (71, 285064970), (142, 142532485), (355, 57012994), (710, 28506497)]