20603221485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{7549}}^1$

素因数の和:7731

約数の個数: 128

約数和(自身を含む): 43835904000

約数和(自身を除く): 23232682515

約数列:

[1, 3, 5, 7, 11, 15, 17, 21, 33, 35, 51, 55, 77, 85, 105, 119, 139, 165, 187, 231, 255, 357, 385, 417, 561, 595, 695, 935, 973, 1155, 1309, 1529, 1785, 2085, 2363, 2805, 2919, 3927, 4587, 4865, 6545, 7089, 7549, 7645, 10703, 11815, 14595, 16541, 19635, 22647, 22935, 25993, 32109, 35445, 37745, 49623, 52843, 53515, 77979, 82705, 83039, 113235, 128333, 129965, 158529, 160545, 181951, 248115, 249117, 264215, 384999, 389895, 415195, 545853, 581273, 641665, 792645, 898331, 909755, 1049311, 1245585, 1411663, 1743819, 1924995, 2694993, 2729265, 2906365, 3147933, 4234989, 4491655, 5246555, 7058315, 7345177, 8719095, 9881641, 11542421, 13474965, 15739665, 17838287, 21174945, 22035531, 29644923, 34627263, 36725885, 49408205, 53514861, 57712105, 80796947, 89191435, 110177655, 124868009, 148224615, 173136315, 196221157, 242390841, 267574305, 374604027, 403984735, 588663471, 624340045, 981105785, 1211954205, 1373548099, 1873020135, 2943317355, 4120644297, 6867740495, 20603221485]

約数ペア:

[(1, 20603221485), (3, 6867740495), (5, 4120644297), (7, 2943317355), (11, 1873020135), (15, 1373548099), (17, 1211954205), (21, 981105785), (33, 624340045), (35, 588663471), (51, 403984735), (55, 374604027), (77, 267574305), (85, 242390841), (105, 196221157), (119, 173136315), (139, 148224615), (165, 124868009), (187, 110177655), (231, 89191435), (255, 80796947), (357, 57712105), (385, 53514861), (417, 49408205), (561, 36725885), (595, 34627263), (695, 29644923), (935, 22035531), (973, 21174945), (1155, 17838287), (1309, 15739665), (1529, 13474965), (1785, 11542421), (2085, 9881641), (2363, 8719095), (2805, 7345177), (2919, 7058315), (3927, 5246555), (4587, 4491655), (4865, 4234989), (6545, 3147933), (7089, 2906365), (7549, 2729265), (7645, 2694993), (10703, 1924995), (11815, 1743819), (14595, 1411663), (16541, 1245585), (19635, 1049311), (22647, 909755), (22935, 898331), (25993, 792645), (32109, 641665), (35445, 581273), (37745, 545853), (49623, 415195), (52843, 389895), (53515, 384999), (77979, 264215), (82705, 249117), (83039, 248115), (113235, 181951), (128333, 160545), (129965, 158529)]