20139532

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 41771520

約数和(自身を除く): 21631988

約数列:

[1, 2, 4, 7, 14, 28, 59, 73, 118, 146, 167, 236, 292, 334, 413, 511, 668, 826, 1022, 1169, 1652, 2044, 2338, 4307, 4676, 8614, 9853, 12191, 17228, 19706, 24382, 30149, 39412, 48764, 60298, 68971, 85337, 120596, 137942, 170674, 275884, 341348, 719269, 1438538, 2877076, 5034883, 10069766, 20139532]

約数ペア:

[(1, 20139532), (2, 10069766), (4, 5034883), (7, 2877076), (14, 1438538), (28, 719269), (59, 341348), (73, 275884), (118, 170674), (146, 137942), (167, 120596), (236, 85337), (292, 68971), (334, 60298), (413, 48764), (511, 39412), (668, 30149), (826, 24382), (1022, 19706), (1169, 17228), (1652, 12191), (2044, 9853), (2338, 8614), (4307, 4676)]