20457894244

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{876817}}^1$

素因数の和:877147

約数の個数: 24

約数和(自身を含む): 37808392160

約数和(自身を除く): 17350497916

約数列:

[1, 2, 4, 19, 38, 76, 307, 614, 1228, 5833, 11666, 23332, 876817, 1753634, 3507268, 16659523, 33319046, 66638092, 269182819, 538365638, 1076731276, 5114473561, 10228947122, 20457894244]

約数ペア:

[(1, 20457894244), (2, 10228947122), (4, 5114473561), (19, 1076731276), (38, 538365638), (76, 269182819), (307, 66638092), (614, 33319046), (1228, 16659523), (5833, 3507268), (11666, 1753634), (23332, 876817)]