20631128

素因数分解:

$2^3\times 7^1\times {\mathrm{601}}^1\times {\mathrm{613}}^1$

素因数の和:1227

約数の個数: 32

約数和(自身を含む): 44355360

約数和(自身を除く): 23724232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 601, 613, 1202, 1226, 2404, 2452, 4207, 4291, 4808, 4904, 8414, 8582, 16828, 17164, 33656, 34328, 368413, 736826, 1473652, 2578891, 2947304, 5157782, 10315564, 20631128]

約数ペア:

[(1, 20631128), (2, 10315564), (4, 5157782), (7, 2947304), (8, 2578891), (14, 1473652), (28, 736826), (56, 368413), (601, 34328), (613, 33656), (1202, 17164), (1226, 16828), (2404, 8582), (2452, 8414), (4207, 4904), (4291, 4808)]