20804954001

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{475879}}^1$

素因数の和:475973

約数の個数: 32

約数和(自身を含む): 31979136000

約数和(自身を除く): 11174181999

約数列:

[1, 3, 13, 19, 39, 57, 59, 177, 247, 741, 767, 1121, 2301, 3363, 14573, 43719, 475879, 1427637, 6186427, 9041701, 18559281, 27125103, 28076861, 84230583, 117542113, 352626339, 364999193, 533460359, 1094997579, 1600381077, 6934984667, 20804954001]

約数ペア:

[(1, 20804954001), (3, 6934984667), (13, 1600381077), (19, 1094997579), (39, 533460359), (57, 364999193), (59, 352626339), (177, 117542113), (247, 84230583), (741, 28076861), (767, 27125103), (1121, 18559281), (2301, 9041701), (3363, 6186427), (14573, 1427637), (43719, 475879)]