20512545

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1423}}^1$

素因数の和:1493

約数の個数: 24

約数和(自身を含む): 33936768

約数和(自身を除く): 13424223

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 961, 1423, 2883, 4269, 4805, 7115, 14415, 21345, 44113, 132339, 220565, 661695, 1367503, 4102509, 6837515, 20512545]

約数ペア:

[(1, 20512545), (3, 6837515), (5, 4102509), (15, 1367503), (31, 661695), (93, 220565), (155, 132339), (465, 44113), (961, 21345), (1423, 14415), (2883, 7115), (4269, 4805)]