20804912410

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2959447}}^1$

素因数の和:2959510

約数の個数: 32

約数和(自身を含む): 40485248640

約数和(自身を除く): 19680336230

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 370, 703, 1406, 3515, 7030, 2959447, 5918894, 14797235, 29594470, 56229493, 109499539, 112458986, 218999078, 281147465, 547497695, 562294930, 1094995390, 2080491241, 4160982482, 10402456205, 20804912410]

約数ペア:

[(1, 20804912410), (2, 10402456205), (5, 4160982482), (10, 2080491241), (19, 1094995390), (37, 562294930), (38, 547497695), (74, 281147465), (95, 218999078), (185, 112458986), (190, 109499539), (370, 56229493), (703, 29594470), (1406, 14797235), (3515, 5918894), (7030, 2959447)]