20512535043

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1291}}^1$

素因数の和:1386

約数の個数: 144

約数和(自身を含む): 38238321408

約数和(自身を除く): 17725786365

約数列:

[1, 3, 7, 11, 13, 21, 33, 37, 39, 77, 91, 111, 121, 143, 169, 231, 259, 273, 363, 407, 429, 481, 507, 777, 847, 1001, 1183, 1221, 1291, 1443, 1573, 1859, 2541, 2849, 3003, 3367, 3549, 3873, 4477, 4719, 5291, 5577, 6253, 8547, 9037, 10101, 11011, 13013, 13431, 14201, 15873, 16783, 18759, 20449, 27111, 31339, 33033, 37037, 39039, 42603, 43771, 47767, 50349, 58201, 61347, 68783, 94017, 99407, 111111, 117481, 131313, 143143, 143301, 156211, 174603, 184613, 206349, 218179, 298221, 334369, 352443, 407407, 429429, 468633, 481481, 525437, 553839, 620971, 654537, 756613, 1003107, 1093477, 1222221, 1292291, 1444443, 1527253, 1576311, 1862913, 2030743, 2269839, 2399969, 3280431, 3678059, 3876873, 4346797, 4581759, 5296291, 5779807, 6092229, 6830681, 7199907, 8072623, 11034177, 13040391, 14215201, 15888873, 16799783, 17339421, 20492043, 24217869, 26399659, 40458649, 42645603, 47814767, 50399349, 56508361, 75137491, 79198977, 88798853, 121375947, 143444301, 169525083, 184797613, 225412473, 266396559, 525962437, 554392839, 621591971, 976787383, 1577887311, 1864775913, 2930362149, 6837511681, 20512535043]

約数ペア:

[(1, 20512535043), (3, 6837511681), (7, 2930362149), (11, 1864775913), (13, 1577887311), (21, 976787383), (33, 621591971), (37, 554392839), (39, 525962437), (77, 266396559), (91, 225412473), (111, 184797613), (121, 169525083), (143, 143444301), (169, 121375947), (231, 88798853), (259, 79198977), (273, 75137491), (363, 56508361), (407, 50399349), (429, 47814767), (481, 42645603), (507, 40458649), (777, 26399659), (847, 24217869), (1001, 20492043), (1183, 17339421), (1221, 16799783), (1291, 15888873), (1443, 14215201), (1573, 13040391), (1859, 11034177), (2541, 8072623), (2849, 7199907), (3003, 6830681), (3367, 6092229), (3549, 5779807), (3873, 5296291), (4477, 4581759), (4719, 4346797), (5291, 3876873), (5577, 3678059), (6253, 3280431), (8547, 2399969), (9037, 2269839), (10101, 2030743), (11011, 1862913), (13013, 1576311), (13431, 1527253), (14201, 1444443), (15873, 1292291), (16783, 1222221), (18759, 1093477), (20449, 1003107), (27111, 756613), (31339, 654537), (33033, 620971), (37037, 553839), (39039, 525437), (42603, 481481), (43771, 468633), (47767, 429429), (50349, 407407), (58201, 352443), (61347, 334369), (68783, 298221), (94017, 218179), (99407, 206349), (111111, 184613), (117481, 174603), (131313, 156211), (143143, 143301)]