20161861629

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1\times {\mathrm{3877}}^1$

素因数の和:4386

約数の個数: 64

約数和(自身を含む): 33940752384

約数和(自身を除く): 13778890755

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 443, 559, 903, 1329, 1677, 3101, 3877, 3913, 5759, 9303, 11631, 11739, 17277, 19049, 27139, 40313, 50401, 57147, 81417, 120939, 133343, 151203, 166711, 247637, 352807, 400029, 500133, 742911, 1058421, 1166977, 1717511, 1733459, 2167243, 3500931, 5152533, 5200377, 6501729, 12022577, 15170701, 22327643, 36067731, 45512103, 66982929, 73852973, 156293501, 221558919, 468880503, 516970811, 960088649, 1550912433, 2880265947, 6720620543, 20161861629]

約数ペア:

[(1, 20161861629), (3, 6720620543), (7, 2880265947), (13, 1550912433), (21, 960088649), (39, 516970811), (43, 468880503), (91, 221558919), (129, 156293501), (273, 73852973), (301, 66982929), (443, 45512103), (559, 36067731), (903, 22327643), (1329, 15170701), (1677, 12022577), (3101, 6501729), (3877, 5200377), (3913, 5152533), (5759, 3500931), (9303, 2167243), (11631, 1733459), (11739, 1717511), (17277, 1166977), (19049, 1058421), (27139, 742911), (40313, 500133), (50401, 400029), (57147, 352807), (81417, 247637), (120939, 166711), (133343, 151203)]