20145490771

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1271731}}^1$

素因数の和:1271842

約数の個数: 16

約数和(自身を含む): 24091691008

約数和(自身を除く): 3946200237

約数列:

[1, 7, 31, 73, 217, 511, 2263, 15841, 1271731, 8902117, 39423661, 92836363, 275965627, 649854541, 2877927253, 20145490771]

約数ペア:

[(1, 20145490771), (7, 2877927253), (31, 649854541), (73, 275965627), (217, 92836363), (511, 39423661), (2263, 8902117), (15841, 1271731)]