20386471

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{283}}^1$

素因数の和:582

約数の個数: 16

約数和(自身を含む): 24046848

約数和(自身を除く): 3660377

約数列:

[1, 7, 41, 251, 283, 287, 1757, 1981, 10291, 11603, 71033, 72037, 81221, 497231, 2912353, 20386471]

約数ペア:

[(1, 20386471), (7, 2912353), (41, 497231), (251, 81221), (283, 72037), (287, 71033), (1757, 11603), (1981, 10291)]