20875940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35993}}^1$

素因数の和:36031

約数の個数: 24

約数和(自身を含む): 45352440

約数和(自身を除く): 24476500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 35993, 71986, 143972, 179965, 359930, 719860, 1043797, 2087594, 4175188, 5218985, 10437970, 20875940]

約数ペア:

[(1, 20875940), (2, 10437970), (4, 5218985), (5, 4175188), (10, 2087594), (20, 1043797), (29, 719860), (58, 359930), (116, 179965), (145, 143972), (290, 71986), (580, 35993)]