20923520

素因数分解:

$2^7\times 5^1\times {\mathrm{32693}}^1$

素因数の和:32712

約数の個数: 32

約数和(自身を含む): 50021820

約数和(自身を除く): 29098300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 32693, 65386, 130772, 163465, 261544, 326930, 523088, 653860, 1046176, 1307720, 2092352, 2615440, 4184704, 5230880, 10461760, 20923520]

約数ペア:

[(1, 20923520), (2, 10461760), (4, 5230880), (5, 4184704), (8, 2615440), (10, 2092352), (16, 1307720), (20, 1046176), (32, 653860), (40, 523088), (64, 326930), (80, 261544), (128, 163465), (160, 130772), (320, 65386), (640, 32693)]