20560592

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98849}}^1$

素因数の和:98870

約数の個数: 20

約数和(自身を含む): 42900900

約数和(自身を除く): 22340308

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98849, 197698, 395396, 790792, 1285037, 1581584, 2570074, 5140148, 10280296, 20560592]

約数ペア:

[(1, 20560592), (2, 10280296), (4, 5140148), (8, 2570074), (13, 1581584), (16, 1285037), (26, 790792), (52, 395396), (104, 197698), (208, 98849)]