20284730

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{43159}}^1$

素因数の和:43213

約数の個数: 16

約数和(自身を含む): 37290240

約数和(自身を除く): 17005510

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 43159, 86318, 215795, 431590, 2028473, 4056946, 10142365, 20284730]

約数ペア:

[(1, 20284730), (2, 10142365), (5, 4056946), (10, 2028473), (47, 431590), (94, 215795), (235, 86318), (470, 43159)]