20341216

素因数分解:

$2^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1279}}^1$

素因数の和:1367

約数の個数: 48

約数和(自身を含む): 46448640

約数和(自身を除く): 26107424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 112, 142, 224, 284, 497, 568, 994, 1136, 1279, 1988, 2272, 2558, 3976, 5116, 7952, 8953, 10232, 15904, 17906, 20464, 35812, 40928, 71624, 90809, 143248, 181618, 286496, 363236, 635663, 726472, 1271326, 1452944, 2542652, 2905888, 5085304, 10170608, 20341216]

約数ペア:

[(1, 20341216), (2, 10170608), (4, 5085304), (7, 2905888), (8, 2542652), (14, 1452944), (16, 1271326), (28, 726472), (32, 635663), (56, 363236), (71, 286496), (112, 181618), (142, 143248), (224, 90809), (284, 71624), (497, 40928), (568, 35812), (994, 20464), (1136, 17906), (1279, 15904), (1988, 10232), (2272, 8953), (2558, 7952), (3976, 5116)]