20528004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{244381}}^1$

素因数の和:244395

約数の個数: 24

約数和(自身を含む): 54741568

約数和(自身を除く): 34213564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 244381, 488762, 733143, 977524, 1466286, 1710667, 2932572, 3421334, 5132001, 6842668, 10264002, 20528004]

約数ペア:

[(1, 20528004), (2, 10264002), (3, 6842668), (4, 5132001), (6, 3421334), (7, 2932572), (12, 1710667), (14, 1466286), (21, 977524), (28, 733143), (42, 488762), (84, 244381)]