20375216

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{9721}}^1$

素因数の和:9860

約数の個数: 20

約数和(自身を含む): 39782424

約数和(自身を除く): 19407208

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 9721, 19442, 38884, 77768, 155536, 1273451, 2546902, 5093804, 10187608, 20375216]

約数ペア:

[(1, 20375216), (2, 10187608), (4, 5093804), (8, 2546902), (16, 1273451), (131, 155536), (262, 77768), (524, 38884), (1048, 19442), (2096, 9721)]