20753256

素因数分解:

$2^3\times 3^1\times {\mathrm{139}}^1\times {\mathrm{6221}}^1$

素因数の和:6369

約数の個数: 32

約数和(自身を含む): 52264800

約数和(自身を除く): 31511544

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 139, 278, 417, 556, 834, 1112, 1668, 3336, 6221, 12442, 18663, 24884, 37326, 49768, 74652, 149304, 864719, 1729438, 2594157, 3458876, 5188314, 6917752, 10376628, 20753256]

約数ペア:

[(1, 20753256), (2, 10376628), (3, 6917752), (4, 5188314), (6, 3458876), (8, 2594157), (12, 1729438), (24, 864719), (139, 149304), (278, 74652), (417, 49768), (556, 37326), (834, 24884), (1112, 18663), (1668, 12442), (3336, 6221)]