20187765544

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1681193}}^1$

素因数の和:1681297

約数の個数: 32

約数和(自身を含む): 40348656000

約数和(自身を除く): 20160890456

約数列:

[1, 2, 4, 8, 19, 38, 76, 79, 152, 158, 316, 632, 1501, 3002, 6004, 12008, 1681193, 3362386, 6724772, 13449544, 31942667, 63885334, 127770668, 132814247, 255541336, 265628494, 531256988, 1062513976, 2523470693, 5046941386, 10093882772, 20187765544]

約数ペア:

[(1, 20187765544), (2, 10093882772), (4, 5046941386), (8, 2523470693), (19, 1062513976), (38, 531256988), (76, 265628494), (79, 255541336), (152, 132814247), (158, 127770668), (316, 63885334), (632, 31942667), (1501, 13449544), (3002, 6724772), (6004, 3362386), (12008, 1681193)]