20795628

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6691}}^1$

素因数の和:6742

約数の個数: 48

約数和(自身を含む): 56962304

約数和(自身を除く): 36166676

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 6691, 13382, 20073, 26764, 40146, 46837, 80292, 93674, 140511, 187348, 247567, 281022, 495134, 562044, 742701, 990268, 1485402, 1732969, 2970804, 3465938, 5198907, 6931876, 10397814, 20795628]

約数ペア:

[(1, 20795628), (2, 10397814), (3, 6931876), (4, 5198907), (6, 3465938), (7, 2970804), (12, 1732969), (14, 1485402), (21, 990268), (28, 742701), (37, 562044), (42, 495134), (74, 281022), (84, 247567), (111, 187348), (148, 140511), (222, 93674), (259, 80292), (444, 46837), (518, 40146), (777, 26764), (1036, 20073), (1554, 13382), (3108, 6691)]