20958069

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{9479}}^1$

素因数の和:9560

約数の個数: 16

約数和(自身を含む): 30942720

約数和(自身を除く): 9984651

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 9479, 28437, 104269, 312807, 635093, 1905279, 6986023, 20958069]

約数ペア:

[(1, 20958069), (3, 6986023), (11, 1905279), (33, 635093), (67, 312807), (201, 104269), (737, 28437), (2211, 9479)]