20616565540

素因数分解:

$2^2\times 5^1\times {\mathrm{3307}}^1\times {\mathrm{311711}}^1$

素因数の和:315027

約数の個数: 24

約数和(自身を含む): 43308018432

約数和(自身を除く): 22691452892

約数列:

[1, 2, 4, 5, 10, 20, 3307, 6614, 13228, 16535, 33070, 66140, 311711, 623422, 1246844, 1558555, 3117110, 6234220, 1030828277, 2061656554, 4123313108, 5154141385, 10308282770, 20616565540]

約数ペア:

[(1, 20616565540), (2, 10308282770), (4, 5154141385), (5, 4123313108), (10, 2061656554), (20, 1030828277), (3307, 6234220), (6614, 3117110), (13228, 1558555), (16535, 1246844), (33070, 623422), (66140, 311711)]