20131158369

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{471533}}^1$

素因数の和:471669

約数の個数: 32

約数和(自身を含む): 32592430080

約数和(自身を除く): 12461271711

約数列:

[1, 3, 7, 19, 21, 57, 107, 133, 321, 399, 749, 2033, 2247, 6099, 14231, 42693, 471533, 1414599, 3300731, 8959127, 9902193, 26877381, 50454031, 62713889, 151362093, 188141667, 353178217, 958626589, 1059534651, 2875879767, 6710386123, 20131158369]

約数ペア:

[(1, 20131158369), (3, 6710386123), (7, 2875879767), (19, 1059534651), (21, 958626589), (57, 353178217), (107, 188141667), (133, 151362093), (321, 62713889), (399, 50454031), (749, 26877381), (2033, 9902193), (2247, 8959127), (6099, 3300731), (14231, 1414599), (42693, 471533)]