20203880

素因数分解:

$2^3\times 5^1\times {\mathrm{505097}}^1$

素因数の和:505108

約数の個数: 16

約数和(自身を含む): 45458820

約数和(自身を除く): 25254940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 505097, 1010194, 2020388, 2525485, 4040776, 5050970, 10101940, 20203880]

約数ペア:

[(1, 20203880), (2, 10101940), (4, 5050970), (5, 4040776), (8, 2525485), (10, 2020388), (20, 1010194), (40, 505097)]