20418976

素因数分解:

$2^5\times {\mathrm{73}}^1\times {\mathrm{8741}}^1$

素因数の和:8824

約数の個数: 24

約数和(自身を含む): 40755204

約数和(自身を除く): 20336228

約数列:

[1, 2, 4, 8, 16, 32, 73, 146, 292, 584, 1168, 2336, 8741, 17482, 34964, 69928, 139856, 279712, 638093, 1276186, 2552372, 5104744, 10209488, 20418976]

約数ペア:

[(1, 20418976), (2, 10209488), (4, 5104744), (8, 2552372), (16, 1276186), (32, 638093), (73, 279712), (146, 139856), (292, 69928), (584, 34964), (1168, 17482), (2336, 8741)]