20837155

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5701}}^1$

素因数の和:5766

約数の個数: 16

約数和(自身を含む): 27095904

約数和(自身を除く): 6258749

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 5701, 28505, 96917, 245143, 484585, 1225715, 4167431, 20837155]

約数ペア:

[(1, 20837155), (5, 4167431), (17, 1225715), (43, 484585), (85, 245143), (215, 96917), (731, 28505), (3655, 5701)]