20155490

素因数分解:

$2^1\times 5^1\times {\mathrm{769}}^1\times {\mathrm{2621}}^1$

素因数の和:3397

約数の個数: 16

約数和(自身を含む): 36340920

約数和(自身を除く): 16185430

約数列:

[1, 2, 5, 10, 769, 1538, 2621, 3845, 5242, 7690, 13105, 26210, 2015549, 4031098, 10077745, 20155490]

約数ペア:

[(1, 20155490), (2, 10077745), (5, 4031098), (10, 2015549), (769, 26210), (1538, 13105), (2621, 7690), (3845, 5242)]