20876638475

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{177787}}^1$

素因数の和:177876

約数の個数: 48

約数和(自身を含む): 32804019456

約数和(自身を除く): 11927380981

約数列:

[1, 5, 7, 11, 25, 35, 55, 61, 77, 175, 275, 305, 385, 427, 671, 1525, 1925, 2135, 3355, 4697, 10675, 16775, 23485, 117425, 177787, 888935, 1244509, 1955657, 4444675, 6222545, 9778285, 10845007, 13689599, 31112725, 48891425, 54225035, 68447995, 75915049, 119295077, 271125175, 342239975, 379575245, 596475385, 835065539, 1897876225, 2982376925, 4175327695, 20876638475]

約数ペア:

[(1, 20876638475), (5, 4175327695), (7, 2982376925), (11, 1897876225), (25, 835065539), (35, 596475385), (55, 379575245), (61, 342239975), (77, 271125175), (175, 119295077), (275, 75915049), (305, 68447995), (385, 54225035), (427, 48891425), (671, 31112725), (1525, 13689599), (1925, 10845007), (2135, 9778285), (3355, 6222545), (4697, 4444675), (10675, 1955657), (16775, 1244509), (23485, 888935), (117425, 177787)]