20465324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6551}}^1$

素因数の和:6637

約数の個数: 24

約数和(自身を含む): 39626496

約数和(自身を除く): 19161172

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 6551, 13102, 26204, 72061, 144122, 288244, 465121, 930242, 1860484, 5116331, 10232662, 20465324]

約数ペア:

[(1, 20465324), (2, 10232662), (4, 5116331), (11, 1860484), (22, 930242), (44, 465121), (71, 288244), (142, 144122), (284, 72061), (781, 26204), (1562, 13102), (3124, 6551)]