20408057835319

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{1274113}}^1\times {\mathrm{29717}}^1$

素因数の和:1303855

約数の個数: 24

約数和(自身を含む): 25899057978768

約数和(自身を除く): 5491000143449

約数列:

[1, 7, 11, 49, 77, 539, 29717, 208019, 326887, 1274113, 1456133, 2288209, 8918791, 14015243, 16017463, 62431537, 98106701, 686746907, 37862816021, 265039712147, 416490976231, 1855277985029, 2915436833617, 20408057835319]

約数ペア:

[(1, 20408057835319), (7, 2915436833617), (11, 1855277985029), (49, 416490976231), (77, 265039712147), (539, 37862816021), (29717, 686746907), (208019, 98106701), (326887, 62431537), (1274113, 16017463), (1456133, 14015243), (2288209, 8918791)]