2020133780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2061361}}^1$

素因数の和:2061384

約数の個数: 36

約数和(自身を含む): 4934900628

約数和(自身を除く): 2914766848

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2061361, 4122722, 8245444, 10306805, 14429527, 20613610, 28859054, 41227220, 57718108, 72147635, 101006689, 144295270, 202013378, 288590540, 404026756, 505033445, 1010066890, 2020133780]

約数ペア:

[(1, 2020133780), (2, 1010066890), (4, 505033445), (5, 404026756), (7, 288590540), (10, 202013378), (14, 144295270), (20, 101006689), (28, 72147635), (35, 57718108), (49, 41227220), (70, 28859054), (98, 20613610), (140, 14429527), (196, 10306805), (245, 8245444), (490, 4122722), (980, 2061361)]