20172653816

素因数分解:

$2^3\times 7^1\times {\mathrm{643}}^1\times {\mathrm{560227}}^1$

素因数の和:560883

約数の個数: 32

約数和(自身を含む): 43294419840

約数和(自身を除く): 23121766024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 643, 1286, 2572, 4501, 5144, 9002, 18004, 36008, 560227, 1120454, 2240908, 3921589, 4481816, 7843178, 15686356, 31372712, 360225961, 720451922, 1440903844, 2521581727, 2881807688, 5043163454, 10086326908, 20172653816]

約数ペア:

[(1, 20172653816), (2, 10086326908), (4, 5043163454), (7, 2881807688), (8, 2521581727), (14, 1440903844), (28, 720451922), (56, 360225961), (643, 31372712), (1286, 15686356), (2572, 7843178), (4501, 4481816), (5144, 3921589), (9002, 2240908), (18004, 1120454), (36008, 560227)]