220160420

素因数分解:

$2^2\times 5^1\times {\mathrm{2857}}^1\times {\mathrm{3853}}^1$

素因数の和:6719

約数の個数: 24

約数和(自身を含む): 462618744

約数和(自身を除く): 242458324

約数列:

[1, 2, 4, 5, 10, 20, 2857, 3853, 5714, 7706, 11428, 14285, 15412, 19265, 28570, 38530, 57140, 77060, 11008021, 22016042, 44032084, 55040105, 110080210, 220160420]

約数ペア:

[(1, 220160420), (2, 110080210), (4, 55040105), (5, 44032084), (10, 22016042), (20, 11008021), (2857, 77060), (3853, 57140), (5714, 38530), (7706, 28570), (11428, 19265), (14285, 15412)]