20457395

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30763}}^1$

素因数の和:30794

約数の個数: 16

約数和(自身を含む): 29533440

約数和(自身を除く): 9076045

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 30763, 153815, 215341, 584497, 1076705, 2922485, 4091479, 20457395]

約数ペア:

[(1, 20457395), (5, 4091479), (7, 2922485), (19, 1076705), (35, 584497), (95, 215341), (133, 153815), (665, 30763)]