39420388

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{21013}}^1$

素因数の和:21091

約数の個数: 24

約数和(自身を含む): 80021312

約数和(自身を除く): 40600924

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 21013, 42026, 84052, 147091, 294182, 588364, 1407871, 2815742, 5631484, 9855097, 19710194, 39420388]

約数ペア:

[(1, 39420388), (2, 19710194), (4, 9855097), (7, 5631484), (14, 2815742), (28, 1407871), (67, 588364), (134, 294182), (268, 147091), (469, 84052), (938, 42026), (1876, 21013)]