20513670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{683789}}^1$

素因数の和:683799

約数の個数: 16

約数和(自身を含む): 49232880

約数和(自身を除く): 28719210

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 683789, 1367578, 2051367, 3418945, 4102734, 6837890, 10256835, 20513670]

約数ペア:

[(1, 20513670), (2, 10256835), (3, 6837890), (5, 4102734), (6, 3418945), (10, 2051367), (15, 1367578), (30, 683789)]