420021676

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{240287}}^1$

素因数の和:240333

約数の個数: 24

約数和(自身を含む): 807367680

約数和(自身を除く): 387346004

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 240287, 480574, 961148, 4565453, 5526601, 9130906, 11053202, 18261812, 22106404, 105005419, 210010838, 420021676]

約数ペア:

[(1, 420021676), (2, 210010838), (4, 105005419), (19, 22106404), (23, 18261812), (38, 11053202), (46, 9130906), (76, 5526601), (92, 4565453), (437, 961148), (874, 480574), (1748, 240287)]