20528068477

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{51347}}^1$

素因数の和:51601

約数の個数: 24

約数和(自身を含む): 24585422400

約数和(自身を除く): 4057353923

約数列:

[1, 7, 41, 49, 199, 287, 1393, 2009, 8159, 9751, 51347, 57113, 359429, 399791, 2105227, 2516003, 10218053, 14736589, 71526371, 103156123, 418940173, 500684597, 2932581211, 20528068477]

約数ペア:

[(1, 20528068477), (7, 2932581211), (41, 500684597), (49, 418940173), (199, 103156123), (287, 71526371), (1393, 14736589), (2009, 10218053), (8159, 2516003), (9751, 2105227), (51347, 399791), (57113, 359429)]