20849956

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 40748400

約数和(自身を除く): 19898444

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 97, 109, 116, 194, 218, 388, 436, 493, 986, 1649, 1853, 1972, 2813, 3161, 3298, 3706, 5626, 6322, 6596, 7412, 10573, 11252, 12644, 21146, 42292, 47821, 53737, 95642, 107474, 179741, 191284, 214948, 306617, 359482, 613234, 718964, 1226468, 5212489, 10424978, 20849956]

約数ペア:

[(1, 20849956), (2, 10424978), (4, 5212489), (17, 1226468), (29, 718964), (34, 613234), (58, 359482), (68, 306617), (97, 214948), (109, 191284), (116, 179741), (194, 107474), (218, 95642), (388, 53737), (436, 47821), (493, 42292), (986, 21146), (1649, 12644), (1853, 11252), (1972, 10573), (2813, 7412), (3161, 6596), (3298, 6322), (3706, 5626)]