20120305961

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{156307}}^1$

素因数の和:156429

約数の個数: 24

約数和(自身を含む): 24376545216

約数和(自身を除く): 4256239255

約数列:

[1, 7, 37, 49, 71, 259, 497, 1813, 2627, 3479, 18389, 128723, 156307, 1094149, 5783359, 7659043, 11097797, 40483513, 77684579, 283384591, 410618489, 543792053, 2874329423, 20120305961]

約数ペア:

[(1, 20120305961), (7, 2874329423), (37, 543792053), (49, 410618489), (71, 283384591), (259, 77684579), (497, 40483513), (1813, 11097797), (2627, 7659043), (3479, 5783359), (18389, 1094149), (128723, 156307)]