20006820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111149}}^1$

素因数の和:111164

約数の個数: 36

約数和(自身を含む): 60687900

約数和(自身を除く): 40681080

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111149, 222298, 333447, 444596, 555745, 666894, 1000341, 1111490, 1333788, 1667235, 2000682, 2222980, 3334470, 4001364, 5001705, 6668940, 10003410, 20006820]

約数ペア:

[(1, 20006820), (2, 10003410), (3, 6668940), (4, 5001705), (5, 4001364), (6, 3334470), (9, 2222980), (10, 2000682), (12, 1667235), (15, 1333788), (18, 1111490), (20, 1000341), (30, 666894), (36, 555745), (45, 444596), (60, 333447), (90, 222298), (180, 111149)]