20178039292

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{265500517}}^1$

素因数の和:265500540

約数の個数: 12

約数和(自身を含む): 37170072520

約数和(自身を除く): 16992033228

約数列:

[1, 2, 4, 19, 38, 76, 265500517, 531001034, 1062002068, 5044509823, 10089019646, 20178039292]

約数ペア:

[(1, 20178039292), (2, 10089019646), (4, 5044509823), (19, 1062002068), (38, 531001034), (76, 265500517)]