20131028656

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66220489}}^1$

素因数の和:66220516

約数の個数: 20

約数和(自身を含む): 41056703800

約数和(自身を除く): 20925675144

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66220489, 132440978, 264881956, 529763912, 1059527824, 1258189291, 2516378582, 5032757164, 10065514328, 20131028656]

約数ペア:

[(1, 20131028656), (2, 10065514328), (4, 5032757164), (8, 2516378582), (16, 1258189291), (19, 1059527824), (38, 529763912), (76, 264881956), (152, 132440978), (304, 66220489)]