20748084

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{247001}}^1$

素因数の和:247015

約数の個数: 24

約数和(自身を含む): 55328448

約数和(自身を除く): 34580364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 247001, 494002, 741003, 988004, 1482006, 1729007, 2964012, 3458014, 5187021, 6916028, 10374042, 20748084]

約数ペア:

[(1, 20748084), (2, 10374042), (3, 6916028), (4, 5187021), (6, 3458014), (7, 2964012), (12, 1729007), (14, 1482006), (21, 988004), (28, 741003), (42, 494002), (84, 247001)]