20177906

素因数分解:

$2^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1999}}^1$

素因数の和:2118

約数の個数: 24

約数和(自身を含む): 35568000

約数和(自身を除く): 15390094

約数列:

[1, 2, 7, 14, 49, 98, 103, 206, 721, 1442, 1999, 3998, 5047, 10094, 13993, 27986, 97951, 195902, 205897, 411794, 1441279, 2882558, 10088953, 20177906]

約数ペア:

[(1, 20177906), (2, 10088953), (7, 2882558), (14, 1441279), (49, 411794), (98, 205897), (103, 195902), (206, 97951), (721, 27986), (1442, 13993), (1999, 10094), (3998, 5047)]