20674168

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{63031}}^1$

素因数の和:63078

約数の個数: 16

約数和(自身を含む): 39710160

約数和(自身を除く): 19035992

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 63031, 126062, 252124, 504248, 2584271, 5168542, 10337084, 20674168]

約数ペア:

[(1, 20674168), (2, 10337084), (4, 5168542), (8, 2584271), (41, 504248), (82, 252124), (164, 126062), (328, 63031)]