20161257232

素因数分解:

$2^4\times {\mathrm{9973}}^1\times {\mathrm{126349}}^1$

素因数の和:136330

約数の個数: 20

約数和(自身を含む): 39066661900

約数和(自身を除く): 18905404668

約数列:

[1, 2, 4, 8, 16, 9973, 19946, 39892, 79784, 126349, 159568, 252698, 505396, 1010792, 2021584, 1260078577, 2520157154, 5040314308, 10080628616, 20161257232]

約数ペア:

[(1, 20161257232), (2, 10080628616), (4, 5040314308), (8, 2520157154), (16, 1260078577), (9973, 2021584), (19946, 1010792), (39892, 505396), (79784, 252698), (126349, 159568)]