20260888

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{277}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 39231360

約数和(自身を除く): 18970472

約数列:

[1, 2, 4, 8, 41, 82, 164, 223, 277, 328, 446, 554, 892, 1108, 1784, 2216, 9143, 11357, 18286, 22714, 36572, 45428, 61771, 73144, 90856, 123542, 247084, 494168, 2532611, 5065222, 10130444, 20260888]

約数ペア:

[(1, 20260888), (2, 10130444), (4, 5065222), (8, 2532611), (41, 494168), (82, 247084), (164, 123542), (223, 90856), (277, 73144), (328, 61771), (446, 45428), (554, 36572), (892, 22714), (1108, 18286), (1784, 11357), (2216, 9143)]