20392141

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{8543}}^1$

素因数の和:8592

約数の個数: 16

約数和(自身を含む): 26247168

約数和(自身を除く): 5855027

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 8543, 59801, 93973, 264833, 657811, 1853831, 2913163, 20392141]

約数ペア:

[(1, 20392141), (7, 2913163), (11, 1853831), (31, 657811), (77, 264833), (217, 93973), (341, 59801), (2387, 8543)]