20163856

素因数分解:

$2^4\times {\mathrm{1009}}^1\times {\mathrm{1249}}^1$

素因数の和:2266

約数の個数: 20

約数和(自身を含む): 39137500

約数和(自身を除く): 18973644

約数列:

[1, 2, 4, 8, 16, 1009, 1249, 2018, 2498, 4036, 4996, 8072, 9992, 16144, 19984, 1260241, 2520482, 5040964, 10081928, 20163856]

約数ペア:

[(1, 20163856), (2, 10081928), (4, 5040964), (8, 2520482), (16, 1260241), (1009, 19984), (1249, 16144), (2018, 9992), (2498, 8072), (4036, 4996)]