190494020

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{21997}}^1$

素因数の和:22439

約数の個数: 24

約数和(自身を含む): 400979544

約数和(自身を除く): 210485524

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2165, 4330, 8660, 21997, 43994, 87988, 109985, 219970, 439940, 9524701, 19049402, 38098804, 47623505, 95247010, 190494020]

約数ペア:

[(1, 190494020), (2, 95247010), (4, 47623505), (5, 38098804), (10, 19049402), (20, 9524701), (433, 439940), (866, 219970), (1732, 109985), (2165, 87988), (4330, 43994), (8660, 21997)]