20546876584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1421339}}^1$

素因数の和:1421497

約数の個数: 32

約数和(自身を含む): 41787396000

約数和(自身を除く): 21240519416

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 139, 278, 556, 1112, 1807, 3614, 7228, 14456, 1421339, 2842678, 5685356, 11370712, 18477407, 36954814, 73909628, 147819256, 197566121, 395132242, 790264484, 1580528968, 2568359573, 5136719146, 10273438292, 20546876584]

約数ペア:

[(1, 20546876584), (2, 10273438292), (4, 5136719146), (8, 2568359573), (13, 1580528968), (26, 790264484), (52, 395132242), (104, 197566121), (139, 147819256), (278, 73909628), (556, 36954814), (1112, 18477407), (1807, 11370712), (3614, 5685356), (7228, 2842678), (14456, 1421339)]