20395188

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{51503}}^1$

素因数の和:51524

約数の個数: 36

約数和(自身を含む): 56242368

約数和(自身を除く): 35847180

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 51503, 103006, 154509, 206012, 309018, 463527, 566533, 618036, 927054, 1133066, 1699599, 1854108, 2266132, 3399198, 5098797, 6798396, 10197594, 20395188]

約数ペア:

[(1, 20395188), (2, 10197594), (3, 6798396), (4, 5098797), (6, 3399198), (9, 2266132), (11, 1854108), (12, 1699599), (18, 1133066), (22, 927054), (33, 618036), (36, 566533), (44, 463527), (66, 309018), (99, 206012), (132, 154509), (198, 103006), (396, 51503)]