20971590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{699053}}^1$

素因数の和:699063

約数の個数: 16

約数和(自身を含む): 50331888

約数和(自身を除く): 29360298

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 699053, 1398106, 2097159, 3495265, 4194318, 6990530, 10485795, 20971590]

約数ペア:

[(1, 20971590), (2, 10485795), (3, 6990530), (5, 4194318), (6, 3495265), (10, 2097159), (15, 1398106), (30, 699053)]