20199721254

素因数分解:

$2^1\times 3^1\times {\mathrm{19963}}^1\times {\mathrm{168643}}^1$

素因数の和:188611

約数の個数: 16

約数和(自身を含む): 40401705792

約数和(自身を除く): 20201984538

約数列:

[1, 2, 3, 6, 19963, 39926, 59889, 119778, 168643, 337286, 505929, 1011858, 3366620209, 6733240418, 10099860627, 20199721254]

約数ペア:

[(1, 20199721254), (2, 10099860627), (3, 6733240418), (6, 3366620209), (19963, 1011858), (39926, 505929), (59889, 337286), (119778, 168643)]