20910176

素因数分解:

$2^5\times 7^1\times {\mathrm{277}}^1\times {\mathrm{337}}^1$

素因数の和:631

約数の個数: 48

約数和(自身を含む): 47357856

約数和(自身を除く): 26447680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 277, 337, 554, 674, 1108, 1348, 1939, 2216, 2359, 2696, 3878, 4432, 4718, 5392, 7756, 8864, 9436, 10784, 15512, 18872, 31024, 37744, 62048, 75488, 93349, 186698, 373396, 653443, 746792, 1306886, 1493584, 2613772, 2987168, 5227544, 10455088, 20910176]

約数ペア:

[(1, 20910176), (2, 10455088), (4, 5227544), (7, 2987168), (8, 2613772), (14, 1493584), (16, 1306886), (28, 746792), (32, 653443), (56, 373396), (112, 186698), (224, 93349), (277, 75488), (337, 62048), (554, 37744), (674, 31024), (1108, 18872), (1348, 15512), (1939, 10784), (2216, 9436), (2359, 8864), (2696, 7756), (3878, 5392), (4432, 4718)]