20976160

素因数分解:

$2^5\times 5^1\times {\mathrm{131101}}^1$

素因数の和:131116

約数の個数: 24

約数和(自身を含む): 49556556

約数和(自身を除く): 28580396

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 131101, 262202, 524404, 655505, 1048808, 1311010, 2097616, 2622020, 4195232, 5244040, 10488080, 20976160]

約数ペア:

[(1, 20976160), (2, 10488080), (4, 5244040), (5, 4195232), (8, 2622020), (10, 2097616), (16, 1311010), (20, 1048808), (32, 655505), (40, 524404), (80, 262202), (160, 131101)]