20565543208

素因数分解:

$2^3\times 7^1\times {\mathrm{20023}}^1\times {\mathrm{18341}}^1$

素因数の和:38377

約数の個数: 32

約数和(自身を含む): 44073624960

約数和(自身を除く): 23508081752

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 18341, 20023, 36682, 40046, 73364, 80092, 128387, 140161, 146728, 160184, 256774, 280322, 513548, 560644, 1027096, 1121288, 367241843, 734483686, 1468967372, 2570692901, 2937934744, 5141385802, 10282771604, 20565543208]

約数ペア:

[(1, 20565543208), (2, 10282771604), (4, 5141385802), (7, 2937934744), (8, 2570692901), (14, 1468967372), (28, 734483686), (56, 367241843), (18341, 1121288), (20023, 1027096), (36682, 560644), (40046, 513548), (73364, 280322), (80092, 256774), (128387, 160184), (140161, 146728)]