20590981929

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:524

約数の個数: 144

約数和(自身を含む): 37453104000

約数和(自身を除く): 16862122071

約数列:

[1, 3, 7, 9, 19, 21, 49, 53, 57, 63, 133, 147, 159, 171, 199, 233, 371, 399, 441, 477, 597, 699, 931, 1007, 1113, 1197, 1393, 1631, 1791, 2097, 2597, 2793, 3021, 3339, 3781, 4179, 4427, 4893, 7049, 7791, 8379, 9063, 9751, 10547, 11343, 11417, 12349, 12537, 13281, 14679, 21147, 23373, 26467, 29253, 30989, 31641, 34029, 34251, 37047, 39843, 46367, 49343, 63441, 73829, 79401, 86443, 87759, 92967, 94923, 102753, 111141, 139101, 148029, 185269, 200393, 216923, 221487, 234631, 238203, 259329, 278901, 324569, 417303, 444087, 516803, 555807, 601179, 605101, 650769, 664461, 703893, 777987, 880973, 973707, 1402751, 1550409, 1642417, 1667421, 1803537, 1815303, 1952307, 2111679, 2271983, 2457451, 2642919, 2921121, 4208253, 4651227, 4927251, 5445909, 6166811, 6815949, 7372353, 7928757, 9819257, 11496919, 12624759, 14781753, 17202157, 18500433, 20447847, 22117059, 29457771, 34490757, 43167677, 46691569, 51606471, 55501299, 88373313, 103472271, 120415099, 129503031, 140074707, 154819413, 326840983, 361245297, 388509093, 420224121, 980522949, 1083735891, 2287886881, 2941568847, 6863660643, 20590981929]

約数ペア:

[(1, 20590981929), (3, 6863660643), (7, 2941568847), (9, 2287886881), (19, 1083735891), (21, 980522949), (49, 420224121), (53, 388509093), (57, 361245297), (63, 326840983), (133, 154819413), (147, 140074707), (159, 129503031), (171, 120415099), (199, 103472271), (233, 88373313), (371, 55501299), (399, 51606471), (441, 46691569), (477, 43167677), (597, 34490757), (699, 29457771), (931, 22117059), (1007, 20447847), (1113, 18500433), (1197, 17202157), (1393, 14781753), (1631, 12624759), (1791, 11496919), (2097, 9819257), (2597, 7928757), (2793, 7372353), (3021, 6815949), (3339, 6166811), (3781, 5445909), (4179, 4927251), (4427, 4651227), (4893, 4208253), (7049, 2921121), (7791, 2642919), (8379, 2457451), (9063, 2271983), (9751, 2111679), (10547, 1952307), (11343, 1815303), (11417, 1803537), (12349, 1667421), (12537, 1642417), (13281, 1550409), (14679, 1402751), (21147, 973707), (23373, 880973), (26467, 777987), (29253, 703893), (30989, 664461), (31641, 650769), (34029, 605101), (34251, 601179), (37047, 555807), (39843, 516803), (46367, 444087), (49343, 417303), (63441, 324569), (73829, 278901), (79401, 259329), (86443, 238203), (87759, 234631), (92967, 221487), (94923, 216923), (102753, 200393), (111141, 185269), (139101, 148029)]