20298376

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^2\times {\mathrm{431}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 45152640

約数和(自身を除く): 24854264

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 431, 812, 841, 862, 1624, 1682, 1724, 3017, 3364, 3448, 5887, 6034, 6728, 11774, 12068, 12499, 23548, 24136, 24998, 47096, 49996, 87493, 99992, 174986, 349972, 362471, 699944, 724942, 1449884, 2537297, 2899768, 5074594, 10149188, 20298376]

約数ペア:

[(1, 20298376), (2, 10149188), (4, 5074594), (7, 2899768), (8, 2537297), (14, 1449884), (28, 724942), (29, 699944), (56, 362471), (58, 349972), (116, 174986), (203, 99992), (232, 87493), (406, 49996), (431, 47096), (812, 24998), (841, 24136), (862, 23548), (1624, 12499), (1682, 12068), (1724, 11774), (3017, 6728), (3364, 6034), (3448, 5887)]