20540656

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{55817}}^1$

素因数の和:55848

約数の個数: 20

約数和(自身を含む): 41528592

約数和(自身を除く): 20987936

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 55817, 111634, 223268, 446536, 893072, 1283791, 2567582, 5135164, 10270328, 20540656]

約数ペア:

[(1, 20540656), (2, 10270328), (4, 5135164), (8, 2567582), (16, 1283791), (23, 893072), (46, 446536), (92, 223268), (184, 111634), (368, 55817)]