20006220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1973}}^1$

素因数の和:2011

約数の個数: 72

約数和(自身を含む): 60688656

約数和(自身を除く): 40682436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 1973, 2028, 2535, 3380, 3946, 5070, 5919, 7892, 9865, 10140, 11838, 19730, 23676, 25649, 29595, 39460, 51298, 59190, 76947, 102596, 118380, 128245, 153894, 256490, 307788, 333437, 384735, 512980, 666874, 769470, 1000311, 1333748, 1538940, 1667185, 2000622, 3334370, 4001244, 5001555, 6668740, 10003110, 20006220]

約数ペア:

[(1, 20006220), (2, 10003110), (3, 6668740), (4, 5001555), (5, 4001244), (6, 3334370), (10, 2000622), (12, 1667185), (13, 1538940), (15, 1333748), (20, 1000311), (26, 769470), (30, 666874), (39, 512980), (52, 384735), (60, 333437), (65, 307788), (78, 256490), (130, 153894), (156, 128245), (169, 118380), (195, 102596), (260, 76947), (338, 59190), (390, 51298), (507, 39460), (676, 29595), (780, 25649), (845, 23676), (1014, 19730), (1690, 11838), (1973, 10140), (2028, 9865), (2535, 7892), (3380, 5919), (3946, 5070)]