20207396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1787}}^1$

素因数の和:2059

約数の個数: 24

約数和(自身を含む): 38749536

約数和(自身を除く): 18542140

約数列:

[1, 2, 4, 11, 22, 44, 257, 514, 1028, 1787, 2827, 3574, 5654, 7148, 11308, 19657, 39314, 78628, 459259, 918518, 1837036, 5051849, 10103698, 20207396]

約数ペア:

[(1, 20207396), (2, 10103698), (4, 5051849), (11, 1837036), (22, 918518), (44, 459259), (257, 78628), (514, 39314), (1028, 19657), (1787, 11308), (2827, 7148), (3574, 5654)]