20199113906

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{21727}}^1\times {\mathrm{4513}}^1$

素因数の和:26345

約数の個数: 16

約数和(自身を含む): 30601019904

約数和(自身を除く): 10401905998

約数列:

[1, 2, 103, 206, 4513, 9026, 21727, 43454, 464839, 929678, 2237881, 4475762, 98053951, 196107902, 10099556953, 20199113906]

約数ペア:

[(1, 20199113906), (2, 10099556953), (103, 196107902), (206, 98053951), (4513, 4475762), (9026, 2237881), (21727, 929678), (43454, 464839)]