20552574

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{857}}^1$

素因数の和:1440

約数の個数: 32

約数和(自身を含む): 47114496

約数和(自身を除く): 26561922

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 571, 857, 1142, 1713, 1714, 2571, 3426, 3997, 5142, 5999, 7994, 11991, 11998, 17997, 23982, 35994, 489347, 978694, 1468041, 2936082, 3425429, 6850858, 10276287, 20552574]

約数ペア:

[(1, 20552574), (2, 10276287), (3, 6850858), (6, 3425429), (7, 2936082), (14, 1468041), (21, 978694), (42, 489347), (571, 35994), (857, 23982), (1142, 17997), (1713, 11998), (1714, 11991), (2571, 7994), (3426, 5999), (3997, 5142)]