20900554

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{1429}}^1$

素因数の和:1605

約数の個数: 16

約数和(自身を含む): 32123520

約数和(自身を除く): 11222966

約数列:

[1, 2, 71, 103, 142, 206, 1429, 2858, 7313, 14626, 101459, 147187, 202918, 294374, 10450277, 20900554]

約数ペア:

[(1, 20900554), (2, 10450277), (71, 294374), (103, 202918), (142, 147187), (206, 101459), (1429, 14626), (2858, 7313)]