20824212

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{40357}}^1$

素因数の和:40407

約数の個数: 24

約数和(自身を含む): 49721056

約数和(自身を除く): 28896844

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 40357, 80714, 121071, 161428, 242142, 484284, 1735351, 3470702, 5206053, 6941404, 10412106, 20824212]

約数ペア:

[(1, 20824212), (2, 10412106), (3, 6941404), (4, 5206053), (6, 3470702), (12, 1735351), (43, 484284), (86, 242142), (129, 161428), (172, 121071), (258, 80714), (516, 40357)]