20486567672

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{587}}^1\times {\mathrm{8849}}^1$

素因数の和:9488

約数の個数: 64

約数和(自身を含む): 42150780000

約数和(自身を除く): 21664212328

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 232, 493, 587, 986, 1174, 1972, 2348, 3944, 4696, 8849, 9979, 17023, 17698, 19958, 34046, 35396, 39916, 68092, 70792, 79832, 136184, 150433, 256621, 289391, 300866, 513242, 578782, 601732, 1026484, 1157564, 1203464, 2052968, 2315128, 4362557, 5194363, 8725114, 10388726, 17450228, 20777452, 34900456, 41554904, 88304171, 150636527, 176608342, 301273054, 353216684, 602546108, 706433368, 1205092216, 2560820959, 5121641918, 10243283836, 20486567672]

約数ペア:

[(1, 20486567672), (2, 10243283836), (4, 5121641918), (8, 2560820959), (17, 1205092216), (29, 706433368), (34, 602546108), (58, 353216684), (68, 301273054), (116, 176608342), (136, 150636527), (232, 88304171), (493, 41554904), (587, 34900456), (986, 20777452), (1174, 17450228), (1972, 10388726), (2348, 8725114), (3944, 5194363), (4696, 4362557), (8849, 2315128), (9979, 2052968), (17023, 1203464), (17698, 1157564), (19958, 1026484), (34046, 601732), (35396, 578782), (39916, 513242), (68092, 300866), (70792, 289391), (79832, 256621), (136184, 150433)]