20437590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{681253}}^1$

素因数の和:681263

約数の個数: 16

約数和(自身を含む): 49050288

約数和(自身を除く): 28612698

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 681253, 1362506, 2043759, 3406265, 4087518, 6812530, 10218795, 20437590]

約数ペア:

[(1, 20437590), (2, 10218795), (3, 6812530), (5, 4087518), (6, 3406265), (10, 2043759), (15, 1362506), (30, 681253)]