20512247321

素因数分解:

${\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1\times {\mathrm{7411}}^1$

素因数の和:7864

約数の個数: 16

約数和(自身を含む): 20989005120

約数和(自身を除く): 476757799

約数列:

[1, 89, 137, 227, 7411, 12193, 20203, 31099, 659579, 1015307, 1682297, 2767811, 90362323, 149724433, 230474689, 20512247321]

約数ペア:

[(1, 20512247321), (89, 230474689), (137, 149724433), (227, 90362323), (7411, 2767811), (12193, 1682297), (20203, 1015307), (31099, 659579)]