20159874

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 54993600

約数和(自身を除く): 34833726

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 49, 54, 57, 63, 98, 114, 126, 133, 147, 171, 189, 266, 294, 342, 378, 399, 401, 441, 513, 798, 802, 882, 931, 1026, 1197, 1203, 1323, 1862, 2394, 2406, 2646, 2793, 2807, 3591, 3609, 5586, 5614, 7182, 7218, 7619, 8379, 8421, 10827, 15238, 16758, 16842, 19649, 21654, 22857, 25137, 25263, 39298, 45714, 50274, 50526, 53333, 58947, 68571, 75789, 106666, 117894, 137142, 151578, 159999, 176841, 205713, 319998, 353682, 373331, 411426, 479997, 530523, 746662, 959994, 1061046, 1119993, 1439991, 2239986, 2879982, 3359979, 6719958, 10079937, 20159874]

約数ペア:

[(1, 20159874), (2, 10079937), (3, 6719958), (6, 3359979), (7, 2879982), (9, 2239986), (14, 1439991), (18, 1119993), (19, 1061046), (21, 959994), (27, 746662), (38, 530523), (42, 479997), (49, 411426), (54, 373331), (57, 353682), (63, 319998), (98, 205713), (114, 176841), (126, 159999), (133, 151578), (147, 137142), (171, 117894), (189, 106666), (266, 75789), (294, 68571), (342, 58947), (378, 53333), (399, 50526), (401, 50274), (441, 45714), (513, 39298), (798, 25263), (802, 25137), (882, 22857), (931, 21654), (1026, 19649), (1197, 16842), (1203, 16758), (1323, 15238), (1862, 10827), (2394, 8421), (2406, 8379), (2646, 7619), (2793, 7218), (2807, 7182), (3591, 5614), (3609, 5586)]