20468396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20717}}^1$

素因数の和:20753

約数の個数: 24

約数和(自身を含む): 40607280

約数和(自身を除く): 20138884

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20717, 41434, 82868, 269321, 393623, 538642, 787246, 1077284, 1574492, 5117099, 10234198, 20468396]

約数ペア:

[(1, 20468396), (2, 10234198), (4, 5117099), (13, 1574492), (19, 1077284), (26, 787246), (38, 538642), (52, 393623), (76, 269321), (247, 82868), (494, 41434), (988, 20717)]