20876173688

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{63646871}}^1$

素因数の和:63646918

約数の個数: 16

約数和(自身を含む): 40097529360

約数和(自身を除く): 19221355672

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 63646871, 127293742, 254587484, 509174968, 2609521711, 5219043422, 10438086844, 20876173688]

約数ペア:

[(1, 20876173688), (2, 10438086844), (4, 5219043422), (8, 2609521711), (41, 509174968), (82, 254587484), (164, 127293742), (328, 63646871)]