20109220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52919}}^1$

素因数の和:52947

約数の個数: 24

約数和(自身を含む): 44452800

約数和(自身を除く): 24343580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 52919, 105838, 211676, 264595, 529190, 1005461, 1058380, 2010922, 4021844, 5027305, 10054610, 20109220]

約数ペア:

[(1, 20109220), (2, 10054610), (4, 5027305), (5, 4021844), (10, 2010922), (19, 1058380), (20, 1005461), (38, 529190), (76, 264595), (95, 211676), (190, 105838), (380, 52919)]