20165893137

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{12487}}^1$

素因数の和:12659

約数の個数: 64

約数和(自身を含む): 33232066560

約数和(自身を除く): 13066173423

約数列:

[1, 3, 9, 13, 27, 39, 43, 107, 117, 129, 321, 351, 387, 559, 963, 1161, 1391, 1677, 2889, 4173, 4601, 5031, 12487, 12519, 13803, 15093, 37461, 37557, 41409, 59813, 112383, 124227, 162331, 179439, 337149, 486993, 536941, 538317, 1336109, 1460979, 1610823, 1614951, 4008327, 4382937, 4832469, 6980233, 12024981, 14497407, 17369417, 20940699, 36074943, 52108251, 57452687, 62822097, 156324753, 172358061, 188466291, 468974259, 517074183, 746884931, 1551222549, 2240654793, 6721964379, 20165893137]

約数ペア:

[(1, 20165893137), (3, 6721964379), (9, 2240654793), (13, 1551222549), (27, 746884931), (39, 517074183), (43, 468974259), (107, 188466291), (117, 172358061), (129, 156324753), (321, 62822097), (351, 57452687), (387, 52108251), (559, 36074943), (963, 20940699), (1161, 17369417), (1391, 14497407), (1677, 12024981), (2889, 6980233), (4173, 4832469), (4601, 4382937), (5031, 4008327), (12487, 1614951), (12519, 1610823), (13803, 1460979), (15093, 1336109), (37461, 538317), (37557, 536941), (41409, 486993), (59813, 337149), (112383, 179439), (124227, 162331)]