20259291

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{30557}}^1$

素因数の和:30590

約数の個数: 16

約数和(自身を含む): 30802464

約数和(自身を除く): 10543173

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 30557, 91671, 397241, 519469, 1191723, 1558407, 6753097, 20259291]

約数ペア:

[(1, 20259291), (3, 6753097), (13, 1558407), (17, 1191723), (39, 519469), (51, 397241), (221, 91671), (663, 30557)]