20877424

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{11971}}^1$

素因数の和:12088

約数の個数: 20

約数和(自身を含む): 40824520

約数和(自身を除く): 19947096

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 11971, 23942, 47884, 95768, 191536, 1304839, 2609678, 5219356, 10438712, 20877424]

約数ペア:

[(1, 20877424), (2, 10438712), (4, 5219356), (8, 2609678), (16, 1304839), (109, 191536), (218, 95768), (436, 47884), (872, 23942), (1744, 11971)]