20343472

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{29569}}^1$

素因数の和:29620

約数の個数: 20

約数和(自身を含む): 40333480

約数和(自身を除く): 19990008

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 29569, 59138, 118276, 236552, 473104, 1271467, 2542934, 5085868, 10171736, 20343472]

約数ペア:

[(1, 20343472), (2, 10171736), (4, 5085868), (8, 2542934), (16, 1271467), (43, 473104), (86, 236552), (172, 118276), (344, 59138), (688, 29569)]