20648484

素因数分解:

$2^2\times 3^2\times {\mathrm{573569}}^1$

素因数の和:573579

約数の個数: 18

約数和(自身を含む): 52194870

約数和(自身を除く): 31546386

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 573569, 1147138, 1720707, 2294276, 3441414, 5162121, 6882828, 10324242, 20648484]

約数ペア:

[(1, 20648484), (2, 10324242), (3, 6882828), (4, 5162121), (6, 3441414), (9, 2294276), (12, 1720707), (18, 1147138), (36, 573569)]