20321397

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{773}}^1$

素因数の和:929

約数の個数: 24

約数和(自身を含む): 30910464

約数和(自身を除く): 10589067

約数列:

[1, 3, 9, 23, 69, 127, 207, 381, 773, 1143, 2319, 2921, 6957, 8763, 17779, 26289, 53337, 98171, 160011, 294513, 883539, 2257933, 6773799, 20321397]

約数ペア:

[(1, 20321397), (3, 6773799), (9, 2257933), (23, 883539), (69, 294513), (127, 160011), (207, 98171), (381, 53337), (773, 26289), (1143, 17779), (2319, 8763), (2921, 6957)]