20980624

素因数分解:

$2^4\times 7^3\times {\mathrm{3823}}^1$

素因数の和:3852

約数の個数: 40

約数和(自身を含む): 47417600

約数和(自身を除く): 26436976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 3823, 5488, 7646, 15292, 26761, 30584, 53522, 61168, 107044, 187327, 214088, 374654, 428176, 749308, 1311289, 1498616, 2622578, 2997232, 5245156, 10490312, 20980624]

約数ペア:

[(1, 20980624), (2, 10490312), (4, 5245156), (7, 2997232), (8, 2622578), (14, 1498616), (16, 1311289), (28, 749308), (49, 428176), (56, 374654), (98, 214088), (112, 187327), (196, 107044), (343, 61168), (392, 53522), (686, 30584), (784, 26761), (1372, 15292), (2744, 7646), (3823, 5488)]