20436402

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{991}}^1$

素因数の和:1494

約数の個数: 32

約数和(自身を含む): 46854144

約数和(自身を除く): 26417742

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 491, 982, 991, 1473, 1982, 2946, 2973, 3437, 5946, 6874, 6937, 10311, 13874, 20622, 20811, 41622, 486581, 973162, 1459743, 2919486, 3406067, 6812134, 10218201, 20436402]

約数ペア:

[(1, 20436402), (2, 10218201), (3, 6812134), (6, 3406067), (7, 2919486), (14, 1459743), (21, 973162), (42, 486581), (491, 41622), (982, 20811), (991, 20622), (1473, 13874), (1982, 10311), (2946, 6937), (2973, 6874), (3437, 5946)]