20925760

素因数分解:

$2^6\times 5^1\times {\mathrm{65393}}^1$

素因数の和:65410

約数の個数: 28

約数和(自身を含む): 49830228

約数和(自身を除く): 28904468

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 65393, 130786, 261572, 326965, 523144, 653930, 1046288, 1307860, 2092576, 2615720, 4185152, 5231440, 10462880, 20925760]

約数ペア:

[(1, 20925760), (2, 10462880), (4, 5231440), (5, 4185152), (8, 2615720), (10, 2092576), (16, 1307860), (20, 1046288), (32, 653930), (40, 523144), (64, 326965), (80, 261572), (160, 130786), (320, 65393)]