20174328185

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^2\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 27719072640

約数和(自身を除く): 7544744455

約数列:

[1, 5, 11, 41, 55, 83, 121, 205, 239, 415, 451, 605, 913, 1195, 1681, 2255, 2629, 3403, 4565, 4961, 8405, 9799, 10043, 13145, 17015, 18491, 19837, 24805, 28919, 37433, 48995, 50215, 92455, 99185, 107789, 139523, 144595, 187165, 203401, 218207, 401759, 411763, 538945, 697615, 813317, 1017005, 1091035, 1185679, 1534753, 2008795, 2058815, 2400277, 4066585, 4419349, 5928395, 7673765, 8946487, 12001385, 16882283, 22096745, 33345997, 44732435, 48612839, 84411415, 98411357, 166729985, 243064195, 366805967, 492056785, 1834029835, 4034865637, 20174328185]

約数ペア:

[(1, 20174328185), (5, 4034865637), (11, 1834029835), (41, 492056785), (55, 366805967), (83, 243064195), (121, 166729985), (205, 98411357), (239, 84411415), (415, 48612839), (451, 44732435), (605, 33345997), (913, 22096745), (1195, 16882283), (1681, 12001385), (2255, 8946487), (2629, 7673765), (3403, 5928395), (4565, 4419349), (4961, 4066585), (8405, 2400277), (9799, 2058815), (10043, 2008795), (13145, 1534753), (17015, 1185679), (18491, 1091035), (19837, 1017005), (24805, 813317), (28919, 697615), (37433, 538945), (48995, 411763), (50215, 401759), (92455, 218207), (99185, 203401), (107789, 187165), (139523, 144595)]