20916084

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{499}}^2$

素因数の和:1012

約数の個数: 36

約数和(自身を含む): 55888224

約数和(自身を除く): 34972140

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 499, 998, 1497, 1996, 2994, 3493, 5988, 6986, 10479, 13972, 20958, 41916, 249001, 498002, 747003, 996004, 1494006, 1743007, 2988012, 3486014, 5229021, 6972028, 10458042, 20916084]

約数ペア:

[(1, 20916084), (2, 10458042), (3, 6972028), (4, 5229021), (6, 3486014), (7, 2988012), (12, 1743007), (14, 1494006), (21, 996004), (28, 747003), (42, 498002), (84, 249001), (499, 41916), (998, 20958), (1497, 13972), (1996, 10479), (2994, 6986), (3493, 5988)]