20606887

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3779}}^1$

素因数の和:3846

約数の個数: 16

約数和(自身を含む): 25401600

約数和(自身を除く): 4794713

約数列:

[1, 7, 19, 41, 133, 287, 779, 3779, 5453, 26453, 71801, 154939, 502607, 1084573, 2943841, 20606887]

約数ペア:

[(1, 20606887), (7, 2943841), (19, 1084573), (41, 502607), (133, 154939), (287, 71801), (779, 26453), (3779, 5453)]