20091176

素因数分解:

$2^3\times 7^2\times {\mathrm{107}}^1\times {\mathrm{479}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 44323200

約数和(自身を除く): 24232024

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 107, 196, 214, 392, 428, 479, 749, 856, 958, 1498, 1916, 2996, 3353, 3832, 5243, 5992, 6706, 10486, 13412, 20972, 23471, 26824, 41944, 46942, 51253, 93884, 102506, 187768, 205012, 358771, 410024, 717542, 1435084, 2511397, 2870168, 5022794, 10045588, 20091176]

約数ペア:

[(1, 20091176), (2, 10045588), (4, 5022794), (7, 2870168), (8, 2511397), (14, 1435084), (28, 717542), (49, 410024), (56, 358771), (98, 205012), (107, 187768), (196, 102506), (214, 93884), (392, 51253), (428, 46942), (479, 41944), (749, 26824), (856, 23471), (958, 20972), (1498, 13412), (1916, 10486), (2996, 6706), (3353, 5992), (3832, 5243)]