20896760

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1783}}^1$

素因数の和:2087

約数の個数: 32

約数和(自身を含む): 47204640

約数和(自身を除く): 26307880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 1783, 2344, 2930, 3566, 5860, 7132, 8915, 11720, 14264, 17830, 35660, 71320, 522419, 1044838, 2089676, 2612095, 4179352, 5224190, 10448380, 20896760]

約数ペア:

[(1, 20896760), (2, 10448380), (4, 5224190), (5, 4179352), (8, 2612095), (10, 2089676), (20, 1044838), (40, 522419), (293, 71320), (586, 35660), (1172, 17830), (1465, 14264), (1783, 11720), (2344, 8915), (2930, 7132), (3566, 5860)]