20798920611

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{19069}}^1$

素因数の和:19313

約数の個数: 64

約数和(自身を含む): 36614400000

約数和(自身を除く): 15815479389

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 199, 203, 261, 597, 609, 783, 1393, 1791, 1827, 4179, 5373, 5481, 5771, 12537, 17313, 19069, 37611, 40397, 51939, 57207, 121191, 133483, 155817, 171621, 363573, 400449, 514863, 553001, 1090719, 1201347, 1659003, 3604041, 3794731, 3871007, 4977009, 11384193, 11613021, 14931027, 26563117, 34152579, 34839063, 79689351, 102457737, 104517189, 110047199, 239068053, 330141597, 717204159, 770330393, 990424791, 2310991179, 2971274373, 6932973537, 20798920611]

約数ペア:

[(1, 20798920611), (3, 6932973537), (7, 2971274373), (9, 2310991179), (21, 990424791), (27, 770330393), (29, 717204159), (63, 330141597), (87, 239068053), (189, 110047199), (199, 104517189), (203, 102457737), (261, 79689351), (597, 34839063), (609, 34152579), (783, 26563117), (1393, 14931027), (1791, 11613021), (1827, 11384193), (4179, 4977009), (5373, 3871007), (5481, 3794731), (5771, 3604041), (12537, 1659003), (17313, 1201347), (19069, 1090719), (37611, 553001), (40397, 514863), (51939, 400449), (57207, 363573), (121191, 171621), (133483, 155817)]