20512421666

素因数分解:

$2^1\times {\mathrm{11}}^5\times {\mathrm{43}}^1\times {\mathrm{1481}}^1$

素因数の和:1581

約数の個数: 48

約数和(自身を含む): 34655965344

約数和(自身を除く): 14143543678

約数列:

[1, 2, 11, 22, 43, 86, 121, 242, 473, 946, 1331, 1481, 2662, 2962, 5203, 10406, 14641, 16291, 29282, 32582, 57233, 63683, 114466, 127366, 161051, 179201, 322102, 358402, 629563, 700513, 1259126, 1401026, 1971211, 3942422, 6925193, 7705643, 13850386, 15411286, 21683321, 43366642, 84762073, 169524146, 238516531, 477033062, 932382803, 1864765606, 10256210833, 20512421666]

約数ペア:

[(1, 20512421666), (2, 10256210833), (11, 1864765606), (22, 932382803), (43, 477033062), (86, 238516531), (121, 169524146), (242, 84762073), (473, 43366642), (946, 21683321), (1331, 15411286), (1481, 13850386), (2662, 7705643), (2962, 6925193), (5203, 3942422), (10406, 1971211), (14641, 1401026), (16291, 1259126), (29282, 700513), (32582, 629563), (57233, 358402), (63683, 322102), (114466, 179201), (127366, 161051)]