20728496

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{17747}}^1$

素因数の和:17828

約数の個数: 20

約数和(自身を含む): 40713912

約数和(自身を除く): 19985416

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 17747, 35494, 70988, 141976, 283952, 1295531, 2591062, 5182124, 10364248, 20728496]

約数ペア:

[(1, 20728496), (2, 10364248), (4, 5182124), (8, 2591062), (16, 1295531), (73, 283952), (146, 141976), (292, 70988), (584, 35494), (1168, 17747)]