20173325420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1\times {\mathrm{31583}}^1$

素因数の和:31994

約数の個数: 48

約数和(自身を含む): 42899915520

約数和(自身を除く): 22726590100

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 293, 436, 545, 586, 1090, 1172, 1465, 2180, 2930, 5860, 31583, 31937, 63166, 63874, 126332, 127748, 157915, 159685, 315830, 319370, 631660, 638740, 3442547, 6885094, 9253819, 13770188, 17212735, 18507638, 34425470, 37015276, 46269095, 68850940, 92538190, 185076380, 1008666271, 2017332542, 4034665084, 5043331355, 10086662710, 20173325420]

約数ペア:

[(1, 20173325420), (2, 10086662710), (4, 5043331355), (5, 4034665084), (10, 2017332542), (20, 1008666271), (109, 185076380), (218, 92538190), (293, 68850940), (436, 46269095), (545, 37015276), (586, 34425470), (1090, 18507638), (1172, 17212735), (1465, 13770188), (2180, 9253819), (2930, 6885094), (5860, 3442547), (31583, 638740), (31937, 631660), (63166, 319370), (63874, 315830), (126332, 159685), (127748, 157915)]