20808548680

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{4096171}}^1$

素因数の和:4096309

約数の個数: 32

約数和(自身を含む): 47187901440

約数和(自身を除く): 26379352760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 4096171, 8192342, 16384684, 20480855, 32769368, 40961710, 81923420, 163846840, 520213717, 1040427434, 2080854868, 2601068585, 4161709736, 5202137170, 10404274340, 20808548680]

約数ペア:

[(1, 20808548680), (2, 10404274340), (4, 5202137170), (5, 4161709736), (8, 2601068585), (10, 2080854868), (20, 1040427434), (40, 520213717), (127, 163846840), (254, 81923420), (508, 40961710), (635, 32769368), (1016, 20480855), (1270, 16384684), (2540, 8192342), (5080, 4096171)]