20500328

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{62501}}^1$

素因数の和:62548

約数の個数: 16

約数和(自身を含む): 39376260

約数和(自身を除く): 18875932

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 62501, 125002, 250004, 500008, 2562541, 5125082, 10250164, 20500328]

約数ペア:

[(1, 20500328), (2, 10250164), (4, 5125082), (8, 2562541), (41, 500008), (82, 250004), (164, 125002), (328, 62501)]