205657020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1142539}}^1$

素因数の和:1142554

約数の個数: 36

約数和(自身を含む): 623826840

約数和(自身を除く): 418169820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1142539, 2285078, 3427617, 4570156, 5712695, 6855234, 10282851, 11425390, 13710468, 17138085, 20565702, 22850780, 34276170, 41131404, 51414255, 68552340, 102828510, 205657020]

約数ペア:

[(1, 205657020), (2, 102828510), (3, 68552340), (4, 51414255), (5, 41131404), (6, 34276170), (9, 22850780), (10, 20565702), (12, 17138085), (15, 13710468), (18, 11425390), (20, 10282851), (30, 6855234), (36, 5712695), (45, 4570156), (60, 3427617), (90, 2285078), (180, 1142539)]