20906193

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1847}}^1$

素因数の和:1882

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 14575407

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 343, 539, 1029, 1617, 1847, 3773, 5541, 11319, 12929, 20317, 38787, 60951, 90503, 142219, 271509, 426657, 633521, 995533, 1900563, 2986599, 6968731, 20906193]

約数ペア:

[(1, 20906193), (3, 6968731), (7, 2986599), (11, 1900563), (21, 995533), (33, 633521), (49, 426657), (77, 271509), (147, 142219), (231, 90503), (343, 60951), (539, 38787), (1029, 20317), (1617, 12929), (1847, 11319), (3773, 5541)]