20803820978

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{1627}}^1\times {\mathrm{50341}}^1$

素因数の和:52097

約数の個数: 16

約数和(自身を含む): 31471401984

約数和(自身を除く): 10667581006

約数列:

[1, 2, 127, 254, 1627, 3254, 50341, 100682, 206629, 413258, 6393307, 12786614, 81904807, 163809614, 10401910489, 20803820978]

約数ペア:

[(1, 20803820978), (2, 10401910489), (127, 163809614), (254, 81904807), (1627, 12786614), (3254, 6393307), (50341, 413258), (100682, 206629)]