20894461

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1549}}^1$

素因数の和:1644

約数の個数: 16

約数和(自身を含む): 24998400

約数和(自身を除く): 4103939

約数列:

[1, 7, 41, 47, 287, 329, 1549, 1927, 10843, 13489, 63509, 72803, 444563, 509621, 2984923, 20894461]

約数ペア:

[(1, 20894461), (7, 2984923), (41, 509621), (47, 444563), (287, 72803), (329, 63509), (1549, 13489), (1927, 10843)]