20025772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20269}}^1$

素因数の和:20305

約数の個数: 24

約数和(自身を含む): 39729200

約数和(自身を除く): 19703428

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20269, 40538, 81076, 263497, 385111, 526994, 770222, 1053988, 1540444, 5006443, 10012886, 20025772]

約数ペア:

[(1, 20025772), (2, 10012886), (4, 5006443), (13, 1540444), (19, 1053988), (26, 770222), (38, 526994), (52, 385111), (76, 263497), (247, 81076), (494, 40538), (988, 20269)]