20565722896

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{19963}}^1$

素因数の和:20100

約数の個数: 60

約数和(自身を含む): 41789523216

約数和(自身を除く): 21223800320

約数列:

[1, 2, 4, 8, 16, 31, 62, 67, 124, 134, 248, 268, 496, 536, 961, 1072, 1922, 2077, 3844, 4154, 7688, 8308, 15376, 16616, 19963, 33232, 39926, 64387, 79852, 128774, 159704, 257548, 319408, 515096, 618853, 1030192, 1237706, 1337521, 2475412, 2675042, 4950824, 5350084, 9901648, 10700168, 19184443, 21400336, 38368886, 41463151, 76737772, 82926302, 153475544, 165852604, 306951088, 331705208, 663410416, 1285357681, 2570715362, 5141430724, 10282861448, 20565722896]

約数ペア:

[(1, 20565722896), (2, 10282861448), (4, 5141430724), (8, 2570715362), (16, 1285357681), (31, 663410416), (62, 331705208), (67, 306951088), (124, 165852604), (134, 153475544), (248, 82926302), (268, 76737772), (496, 41463151), (536, 38368886), (961, 21400336), (1072, 19184443), (1922, 10700168), (2077, 9901648), (3844, 5350084), (4154, 4950824), (7688, 2675042), (8308, 2475412), (15376, 1337521), (16616, 1237706), (19963, 1030192), (33232, 618853), (39926, 515096), (64387, 319408), (79852, 257548), (128774, 159704)]