20529605

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:524

約数の個数: 16

約数和(自身を含む): 25132800

約数和(自身を除く): 4603195

約数列:

[1, 5, 109, 139, 271, 545, 695, 1355, 15151, 29539, 37669, 75755, 147695, 188345, 4105921, 20529605]

約数ペア:

[(1, 20529605), (5, 4105921), (109, 188345), (139, 147695), (271, 75755), (545, 37669), (695, 29539), (1355, 15151)]