20154584

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{28307}}^1$

素因数の和:28402

約数の個数: 16

約数和(自身を含む): 38215800

約数和(自身を除く): 18061216

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 28307, 56614, 113228, 226456, 2519323, 5038646, 10077292, 20154584]

約数ペア:

[(1, 20154584), (2, 10077292), (4, 5038646), (8, 2519323), (89, 226456), (178, 113228), (356, 56614), (712, 28307)]