20178646922

素因数分解:

$2^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{3630559}}^1$

素因数の和:3630965

約数の個数: 16

約数和(自身を含む): 34679109120

約数和(自身を除く): 14500462198

約数列:

[1, 2, 7, 14, 397, 794, 2779, 5558, 3630559, 7261118, 25413913, 50827826, 1441331923, 2882663846, 10089323461, 20178646922]

約数ペア:

[(1, 20178646922), (2, 10089323461), (7, 2882663846), (14, 1441331923), (397, 50827826), (794, 25413913), (2779, 7261118), (5558, 3630559)]