20195521059

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{18493}}^1$

素因数の和:18569

約数の個数: 96

約数和(自身を含む): 36431700480

約数和(自身を除く): 16236179421

約数列:

[1, 3, 7, 17, 19, 21, 23, 49, 51, 57, 69, 119, 133, 147, 161, 323, 357, 391, 399, 437, 483, 833, 931, 969, 1127, 1173, 1311, 2261, 2499, 2737, 2793, 3059, 3381, 6783, 7429, 8211, 9177, 15827, 18493, 19159, 21413, 22287, 47481, 52003, 55479, 57477, 64239, 129451, 156009, 314381, 351367, 364021, 388353, 425339, 906157, 943143, 1054101, 1092063, 1276017, 2200667, 2459569, 2718471, 2977373, 5973239, 6602001, 7230763, 7378707, 8081441, 8932119, 15404669, 17216983, 17919717, 20841611, 21692289, 24244323, 41812673, 46214007, 50615341, 51650949, 56570087, 62524833, 125438019, 137384497, 151846023, 169710261, 292688711, 354307387, 395990609, 412153491, 878066133, 961691479, 1062922161, 1187971827, 2885074437, 6731840353, 20195521059]

約数ペア:

[(1, 20195521059), (3, 6731840353), (7, 2885074437), (17, 1187971827), (19, 1062922161), (21, 961691479), (23, 878066133), (49, 412153491), (51, 395990609), (57, 354307387), (69, 292688711), (119, 169710261), (133, 151846023), (147, 137384497), (161, 125438019), (323, 62524833), (357, 56570087), (391, 51650949), (399, 50615341), (437, 46214007), (483, 41812673), (833, 24244323), (931, 21692289), (969, 20841611), (1127, 17919717), (1173, 17216983), (1311, 15404669), (2261, 8932119), (2499, 8081441), (2737, 7378707), (2793, 7230763), (3059, 6602001), (3381, 5973239), (6783, 2977373), (7429, 2718471), (8211, 2459569), (9177, 2200667), (15827, 1276017), (18493, 1092063), (19159, 1054101), (21413, 943143), (22287, 906157), (47481, 425339), (52003, 388353), (55479, 364021), (57477, 351367), (64239, 314381), (129451, 156009)]