20403393

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 27706560

約数和(自身を除く): 7303167

約数列:

[1, 3, 113, 139, 339, 417, 433, 1299, 15707, 47121, 48929, 60187, 146787, 180561, 6801131, 20403393]

約数ペア:

[(1, 20403393), (3, 6801131), (113, 180561), (139, 146787), (339, 60187), (417, 48929), (433, 47121), (1299, 15707)]