200820140

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{23297}}^1$

素因数の和:23737

約数の個数: 24

約数和(自身を含む): 422718912

約数和(自身を除く): 221898772

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8620, 23297, 46594, 93188, 116485, 232970, 465940, 10041007, 20082014, 40164028, 50205035, 100410070, 200820140]

約数ペア:

[(1, 200820140), (2, 100410070), (4, 50205035), (5, 40164028), (10, 20082014), (20, 10041007), (431, 465940), (862, 232970), (1724, 116485), (2155, 93188), (4310, 46594), (8620, 23297)]