20827796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{829}}^1$

素因数の和:1415

約数の個数: 24

約数和(自身を含む): 39879840

約数和(自身を除く): 19052044

約数列:

[1, 2, 4, 11, 22, 44, 571, 829, 1142, 1658, 2284, 3316, 6281, 9119, 12562, 18238, 25124, 36476, 473359, 946718, 1893436, 5206949, 10413898, 20827796]

約数ペア:

[(1, 20827796), (2, 10413898), (4, 5206949), (11, 1893436), (22, 946718), (44, 473359), (571, 36476), (829, 25124), (1142, 18238), (1658, 12562), (2284, 9119), (3316, 6281)]