20944028

素因数分解:

$2^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1499}}^1$

素因数の和:2009

約数の個数: 24

約数和(自身を含む): 42000000

約数和(自身を除く): 21055972

約数列:

[1, 2, 4, 7, 14, 28, 499, 998, 1499, 1996, 2998, 3493, 5996, 6986, 10493, 13972, 20986, 41972, 748001, 1496002, 2992004, 5236007, 10472014, 20944028]

約数ペア:

[(1, 20944028), (2, 10472014), (4, 5236007), (7, 2992004), (14, 1496002), (28, 748001), (499, 41972), (998, 20986), (1499, 13972), (1996, 10493), (2998, 6986), (3493, 5996)]