20188597784

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61550603}}^1$

素因数の和:61550650

約数の個数: 16

約数和(自身を含む): 38776880520

約数和(自身を除く): 18588282736

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 61550603, 123101206, 246202412, 492404824, 2523574723, 5047149446, 10094298892, 20188597784]

約数ペア:

[(1, 20188597784), (2, 10094298892), (4, 5047149446), (8, 2523574723), (41, 492404824), (82, 246202412), (164, 123101206), (328, 61550603)]