20209190

素因数分解:

$2^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{2027}}^1$

素因数の和:3031

約数の個数: 16

約数和(自身を含む): 36430992

約数和(自身を除く): 16221802

約数列:

[1, 2, 5, 10, 997, 1994, 2027, 4054, 4985, 9970, 10135, 20270, 2020919, 4041838, 10104595, 20209190]

約数ペア:

[(1, 20209190), (2, 10104595), (5, 4041838), (10, 2020919), (997, 20270), (1994, 10135), (2027, 9970), (4054, 4985)]