20194501580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2480897}}^1$

素因数の和:2480954

約数の個数: 48

約数和(自身を含む): 47514158496

約数和(自身を除く): 27319656916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 2480897, 4961794, 9923588, 12404485, 24808970, 27289867, 49617940, 54579734, 91793189, 109159468, 136449335, 183586378, 272898670, 367172756, 458965945, 545797340, 917931890, 1009725079, 1835863780, 2019450158, 4038900316, 5048625395, 10097250790, 20194501580]

約数ペア:

[(1, 20194501580), (2, 10097250790), (4, 5048625395), (5, 4038900316), (10, 2019450158), (11, 1835863780), (20, 1009725079), (22, 917931890), (37, 545797340), (44, 458965945), (55, 367172756), (74, 272898670), (110, 183586378), (148, 136449335), (185, 109159468), (220, 91793189), (370, 54579734), (407, 49617940), (740, 27289867), (814, 24808970), (1628, 12404485), (2035, 9923588), (4070, 4961794), (8140, 2480897)]