20823316

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{881}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 38525760

約数和(自身を除く): 17702444

約数列:

[1, 2, 4, 19, 38, 76, 311, 622, 881, 1244, 1762, 3524, 5909, 11818, 16739, 23636, 33478, 66956, 273991, 547982, 1095964, 5205829, 10411658, 20823316]

約数ペア:

[(1, 20823316), (2, 10411658), (4, 5205829), (19, 1095964), (38, 547982), (76, 273991), (311, 66956), (622, 33478), (881, 23636), (1244, 16739), (1762, 11818), (3524, 5909)]