20722394

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:483

約数の個数: 48

約数和(自身を含む): 40383360

約数和(自身を除く): 19660966

約数列:

[1, 2, 7, 11, 14, 22, 47, 49, 77, 94, 98, 154, 329, 409, 517, 539, 658, 818, 1034, 1078, 2303, 2863, 3619, 4499, 4606, 5726, 7238, 8998, 19223, 20041, 25333, 31493, 38446, 40082, 50666, 62986, 134561, 211453, 220451, 269122, 422906, 440902, 941927, 1480171, 1883854, 2960342, 10361197, 20722394]

約数ペア:

[(1, 20722394), (2, 10361197), (7, 2960342), (11, 1883854), (14, 1480171), (22, 941927), (47, 440902), (49, 422906), (77, 269122), (94, 220451), (98, 211453), (154, 134561), (329, 62986), (409, 50666), (517, 40082), (539, 38446), (658, 31493), (818, 25333), (1034, 20041), (1078, 19223), (2303, 8998), (2863, 7238), (3619, 5726), (4499, 4606)]