20491496

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1559}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 19943704

約数列:

[1, 2, 4, 8, 31, 53, 62, 106, 124, 212, 248, 424, 1559, 1643, 3118, 3286, 6236, 6572, 12472, 13144, 48329, 82627, 96658, 165254, 193316, 330508, 386632, 661016, 2561437, 5122874, 10245748, 20491496]

約数ペア:

[(1, 20491496), (2, 10245748), (4, 5122874), (8, 2561437), (31, 661016), (53, 386632), (62, 330508), (106, 193316), (124, 165254), (212, 96658), (248, 82627), (424, 48329), (1559, 13144), (1643, 12472), (3118, 6572), (3286, 6236)]