20402499

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{30773}}^1$

素因数の和:30806

約数の個数: 16

約数和(自身を含む): 31020192

約数和(自身を除く): 10617693

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 30773, 92319, 400049, 523141, 1200147, 1569423, 6800833, 20402499]

約数ペア:

[(1, 20402499), (3, 6800833), (13, 1569423), (17, 1200147), (39, 523141), (51, 400049), (221, 92319), (663, 30773)]