20816794328

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{24023}}^1$

素因数の和:24312

約数の個数: 64

約数和(自身を含む): 43762118400

約数和(自身を除く): 22945324072

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 229, 344, 458, 473, 916, 946, 1832, 1892, 2519, 3784, 5038, 9847, 10076, 19694, 20152, 24023, 39388, 48046, 78776, 96092, 108317, 192184, 216634, 264253, 433268, 528506, 866536, 1032989, 1057012, 2065978, 2114024, 4131956, 5501267, 8263912, 11002534, 11362879, 22005068, 22725758, 44010136, 45451516, 60513937, 90903032, 121027874, 236554481, 242055748, 473108962, 484111496, 946217924, 1892435848, 2602099291, 5204198582, 10408397164, 20816794328]

約数ペア:

[(1, 20816794328), (2, 10408397164), (4, 5204198582), (8, 2602099291), (11, 1892435848), (22, 946217924), (43, 484111496), (44, 473108962), (86, 242055748), (88, 236554481), (172, 121027874), (229, 90903032), (344, 60513937), (458, 45451516), (473, 44010136), (916, 22725758), (946, 22005068), (1832, 11362879), (1892, 11002534), (2519, 8263912), (3784, 5501267), (5038, 4131956), (9847, 2114024), (10076, 2065978), (19694, 1057012), (20152, 1032989), (24023, 866536), (39388, 528506), (48046, 433268), (78776, 264253), (96092, 216634), (108317, 192184)]