20654370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:728

約数の個数: 96

約数和(自身を含む): 60562944

約数和(自身を除く): 39908574

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 31, 33, 45, 55, 62, 66, 90, 93, 99, 110, 155, 165, 186, 198, 279, 310, 330, 341, 465, 495, 558, 673, 682, 930, 990, 1023, 1346, 1395, 1705, 2019, 2046, 2790, 3069, 3365, 3410, 4038, 5115, 6057, 6138, 6730, 7403, 10095, 10230, 12114, 14806, 15345, 20190, 20863, 22209, 30285, 30690, 37015, 41726, 44418, 60570, 62589, 66627, 74030, 104315, 111045, 125178, 133254, 187767, 208630, 222090, 229493, 312945, 333135, 375534, 458986, 625890, 666270, 688479, 938835, 1147465, 1376958, 1877670, 2065437, 2294930, 3442395, 4130874, 6884790, 10327185, 20654370]

約数ペア:

[(1, 20654370), (2, 10327185), (3, 6884790), (5, 4130874), (6, 3442395), (9, 2294930), (10, 2065437), (11, 1877670), (15, 1376958), (18, 1147465), (22, 938835), (30, 688479), (31, 666270), (33, 625890), (45, 458986), (55, 375534), (62, 333135), (66, 312945), (90, 229493), (93, 222090), (99, 208630), (110, 187767), (155, 133254), (165, 125178), (186, 111045), (198, 104315), (279, 74030), (310, 66627), (330, 62589), (341, 60570), (465, 44418), (495, 41726), (558, 37015), (673, 30690), (682, 30285), (930, 22209), (990, 20863), (1023, 20190), (1346, 15345), (1395, 14806), (1705, 12114), (2019, 10230), (2046, 10095), (2790, 7403), (3069, 6730), (3365, 6138), (3410, 6057), (4038, 5115)]