20291354

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{1021}}^1$

素因数の和:1565

約数の個数: 16

約数和(自身を含む): 32131680

約数和(自身を除く): 11840326

約数列:

[1, 2, 19, 38, 523, 1021, 1046, 2042, 9937, 19399, 19874, 38798, 533983, 1067966, 10145677, 20291354]

約数ペア:

[(1, 20291354), (2, 10145677), (19, 1067966), (38, 533983), (523, 38798), (1021, 19874), (1046, 19399), (2042, 9937)]