20120335209

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{393521}}^1$

素因数の和:393582

約数の個数: 48

約数和(自身を含む): 34378081920

約数和(自身を除く): 14257746711

約数列:

[1, 3, 9, 13, 19, 23, 39, 57, 69, 117, 171, 207, 247, 299, 437, 741, 897, 1311, 2223, 2691, 3933, 5681, 17043, 51129, 393521, 1180563, 3541689, 5115773, 7476899, 9050983, 15347319, 22430697, 27152949, 46041957, 67292091, 81458847, 97199687, 117662779, 171968677, 291599061, 352988337, 515906031, 874797183, 1058965011, 1547718093, 2235592801, 6706778403, 20120335209]

約数ペア:

[(1, 20120335209), (3, 6706778403), (9, 2235592801), (13, 1547718093), (19, 1058965011), (23, 874797183), (39, 515906031), (57, 352988337), (69, 291599061), (117, 171968677), (171, 117662779), (207, 97199687), (247, 81458847), (299, 67292091), (437, 46041957), (741, 27152949), (897, 22430697), (1311, 15347319), (2223, 9050983), (2691, 7476899), (3933, 5115773), (5681, 3541689), (17043, 1180563), (51129, 393521)]