20120656545

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{514529}}^1$

素因数の和:514630

約数の個数: 48

約数和(自身を含む): 38528006400

約数和(自身を除く): 18407349855

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 79, 99, 165, 237, 395, 495, 711, 869, 1185, 2607, 3555, 4345, 7821, 13035, 39105, 514529, 1543587, 2572645, 4630761, 5659819, 7717935, 16979457, 23153805, 28299095, 40647791, 50938371, 84897285, 121943373, 203238955, 254691855, 365830119, 447125701, 609716865, 1341377103, 1829150595, 2235628505, 4024131309, 6706885515, 20120656545]

約数ペア:

[(1, 20120656545), (3, 6706885515), (5, 4024131309), (9, 2235628505), (11, 1829150595), (15, 1341377103), (33, 609716865), (45, 447125701), (55, 365830119), (79, 254691855), (99, 203238955), (165, 121943373), (237, 84897285), (395, 50938371), (495, 40647791), (711, 28299095), (869, 23153805), (1185, 16979457), (2607, 7717935), (3555, 5659819), (4345, 4630761), (7821, 2572645), (13035, 1543587), (39105, 514529)]