20163896648

素因数分解:

$2^3\times 7^1\times {\mathrm{541}}^1\times {\mathrm{665563}}^1$

素因数の和:666117

約数の個数: 32

約数和(自身を含む): 43288282560

約数和(自身を除く): 23124385912

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 541, 1082, 2164, 3787, 4328, 7574, 15148, 30296, 665563, 1331126, 2662252, 4658941, 5324504, 9317882, 18635764, 37271528, 360069583, 720139166, 1440278332, 2520487081, 2880556664, 5040974162, 10081948324, 20163896648]

約数ペア:

[(1, 20163896648), (2, 10081948324), (4, 5040974162), (7, 2880556664), (8, 2520487081), (14, 1440278332), (28, 720139166), (56, 360069583), (541, 37271528), (1082, 18635764), (2164, 9317882), (3787, 5324504), (4328, 4658941), (7574, 2662252), (15148, 1331126), (30296, 665563)]