20199078771

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2705113}}^1$

素因数の和:2705266

約数の個数: 16

約数和(自身を含む): 28566003840

約数和(自身を除く): 8366925069

約数列:

[1, 3, 19, 57, 131, 393, 2489, 7467, 2705113, 8115339, 51397147, 154191441, 354369803, 1063109409, 6733026257, 20199078771]

約数ペア:

[(1, 20199078771), (3, 6733026257), (19, 1063109409), (57, 354369803), (131, 154191441), (393, 51397147), (2489, 8115339), (7467, 2705113)]