20500052

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{5333}}^1$

素因数の和:5399

約数の個数: 18

約数和(自身を含む): 37076634

約数和(自身を除く): 16576582

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 5333, 10666, 21332, 165323, 330646, 661292, 5125013, 10250026, 20500052]

約数ペア:

[(1, 20500052), (2, 10250026), (4, 5125013), (31, 661292), (62, 330646), (124, 165323), (961, 21332), (1922, 10666), (3844, 5333)]