20160921249

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1783}}^1\times {\mathrm{2063}}^1$

素因数の和:3891

約数の個数: 64

約数和(自身を含む): 35348889600

約数和(自身を除く): 15187968351

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1783, 1827, 2063, 5349, 5481, 6189, 12481, 14441, 16047, 18567, 37443, 43323, 48141, 51707, 55701, 59827, 112329, 129969, 155121, 179481, 336987, 361949, 389907, 418789, 465363, 538443, 1085847, 1256367, 1396089, 1615329, 3257541, 3678329, 3769101, 9772623, 11034987, 11307303, 25748303, 33104961, 77244909, 99314883, 106671541, 231734727, 320014623, 695204181, 746700787, 960043869, 2240102361, 2880131607, 6720307083, 20160921249]

約数ペア:

[(1, 20160921249), (3, 6720307083), (7, 2880131607), (9, 2240102361), (21, 960043869), (27, 746700787), (29, 695204181), (63, 320014623), (87, 231734727), (189, 106671541), (203, 99314883), (261, 77244909), (609, 33104961), (783, 25748303), (1783, 11307303), (1827, 11034987), (2063, 9772623), (5349, 3769101), (5481, 3678329), (6189, 3257541), (12481, 1615329), (14441, 1396089), (16047, 1256367), (18567, 1085847), (37443, 538443), (43323, 465363), (48141, 418789), (51707, 389907), (55701, 361949), (59827, 336987), (112329, 179481), (129969, 155121)]