20664376

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{29023}}^1$

素因数の和:29118

約数の個数: 16

約数和(自身を含む): 39182400

約数和(自身を除く): 18518024

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 29023, 58046, 116092, 232184, 2583047, 5166094, 10332188, 20664376]

約数ペア:

[(1, 20664376), (2, 10332188), (4, 5166094), (8, 2583047), (89, 232184), (178, 116092), (356, 58046), (712, 29023)]