20763520

素因数分解:

$2^7\times 5^1\times {\mathrm{32443}}^1$

素因数の和:32462

約数の個数: 32

約数和(自身を含む): 49639320

約数和(自身を除く): 28875800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 32443, 64886, 129772, 162215, 259544, 324430, 519088, 648860, 1038176, 1297720, 2076352, 2595440, 4152704, 5190880, 10381760, 20763520]

約数ペア:

[(1, 20763520), (2, 10381760), (4, 5190880), (5, 4152704), (8, 2595440), (10, 2076352), (16, 1297720), (20, 1038176), (32, 648860), (40, 519088), (64, 324430), (80, 259544), (128, 162215), (160, 129772), (320, 64886), (640, 32443)]