20218871806

素因数分解:

$2^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{1986527}}^1$

素因数の和:1987263

約数の個数: 16

約数和(自身を含む): 34708617216

約数和(自身を除く): 14489745410

約数列:

[1, 2, 7, 14, 727, 1454, 5089, 10178, 1986527, 3973054, 13905689, 27811378, 1444205129, 2888410258, 10109435903, 20218871806]

約数ペア:

[(1, 20218871806), (2, 10109435903), (7, 2888410258), (14, 1444205129), (727, 27811378), (1454, 13905689), (5089, 3973054), (10178, 1986527)]