20415248

素因数分解:

$2^4\times 7^1\times {\mathrm{182279}}^1$

素因数の和:182294

約数の個数: 20

約数和(自身を含む): 45205440

約数和(自身を除く): 24790192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 182279, 364558, 729116, 1275953, 1458232, 2551906, 2916464, 5103812, 10207624, 20415248]

約数ペア:

[(1, 20415248), (2, 10207624), (4, 5103812), (7, 2916464), (8, 2551906), (14, 1458232), (16, 1275953), (28, 729116), (56, 364558), (112, 182279)]