20881910483

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1521229}}^1$

素因数の和:1521326

約数の個数: 16

約数和(自身を含む): 24972511680

約数和(自身を除く): 4090601197

約数列:

[1, 7, 37, 53, 259, 371, 1961, 13727, 1521229, 10648603, 56285473, 80625137, 393998311, 564375959, 2983130069, 20881910483]

約数ペア:

[(1, 20881910483), (7, 2983130069), (37, 564375959), (53, 393998311), (259, 80625137), (371, 56285473), (1961, 10648603), (13727, 1521229)]