20196673

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 24808680

約数和(自身を除く): 4612007

約数列:

[1, 7, 29, 49, 61, 203, 233, 427, 1421, 1631, 1769, 2989, 6757, 11417, 12383, 14213, 47299, 86681, 99491, 331093, 412177, 696437, 2885239, 20196673]

約数ペア:

[(1, 20196673), (7, 2885239), (29, 696437), (49, 412177), (61, 331093), (203, 99491), (233, 86681), (427, 47299), (1421, 14213), (1631, 12383), (1769, 11417), (2989, 6757)]