20208552364

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{721013}}^1$

素因数の和:721055

約数の個数: 72

約数和(自身を含む): 48331010448

約数和(自身を除く): 28122458084

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 1001, 1078, 1274, 2002, 2156, 2548, 4004, 7007, 14014, 28028, 721013, 1442026, 2884052, 5047091, 7931143, 9373169, 10094182, 15862286, 18746338, 20188364, 31724572, 35329637, 37492676, 55518001, 65612183, 70659274, 103104859, 111036002, 131224366, 141318548, 206209718, 222072004, 262448732, 388626007, 412419436, 459285281, 721734013, 777252014, 918570562, 1443468026, 1554504028, 1837141124, 2886936052, 5052138091, 10104276182, 20208552364]

約数ペア:

[(1, 20208552364), (2, 10104276182), (4, 5052138091), (7, 2886936052), (11, 1837141124), (13, 1554504028), (14, 1443468026), (22, 918570562), (26, 777252014), (28, 721734013), (44, 459285281), (49, 412419436), (52, 388626007), (77, 262448732), (91, 222072004), (98, 206209718), (143, 141318548), (154, 131224366), (182, 111036002), (196, 103104859), (286, 70659274), (308, 65612183), (364, 55518001), (539, 37492676), (572, 35329637), (637, 31724572), (1001, 20188364), (1078, 18746338), (1274, 15862286), (2002, 10094182), (2156, 9373169), (2548, 7931143), (4004, 5047091), (7007, 2884052), (14014, 1442026), (28028, 721013)]