20665442

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{27851}}^1$

素因数の和:27913

約数の個数: 16

約数和(自身を含む): 36096192

約数和(自身を除く): 15430750

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 27851, 55702, 194957, 389914, 1476103, 2952206, 10332721, 20665442]

約数ペア:

[(1, 20665442), (2, 10332721), (7, 2952206), (14, 1476103), (53, 389914), (106, 194957), (371, 55702), (742, 27851)]