20249691

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1789}}^1$

素因数の和:1824

約数の個数: 32

約数和(自身を含む): 34368000

約数和(自身を除く): 14118309

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 343, 539, 1029, 1617, 1789, 3773, 5367, 11319, 12523, 19679, 37569, 59037, 87661, 137753, 262983, 413259, 613627, 964271, 1840881, 2892813, 6749897, 20249691]

約数ペア:

[(1, 20249691), (3, 6749897), (7, 2892813), (11, 1840881), (21, 964271), (33, 613627), (49, 413259), (77, 262983), (147, 137753), (231, 87661), (343, 59037), (539, 37569), (1029, 19679), (1617, 12523), (1789, 11319), (3773, 5367)]