20831916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{247999}}^1$

素因数の和:248013

約数の個数: 24

約数和(自身を含む): 55552000

約数和(自身を除く): 34720084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 247999, 495998, 743997, 991996, 1487994, 1735993, 2975988, 3471986, 5207979, 6943972, 10415958, 20831916]

約数ペア:

[(1, 20831916), (2, 10415958), (3, 6943972), (4, 5207979), (6, 3471986), (7, 2975988), (12, 1735993), (14, 1487994), (21, 991996), (28, 743997), (42, 495998), (84, 247999)]