20371790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{3851}}^1$

素因数の和:3904

約数の個数: 24

約数和(自身を含む): 38342808

約数和(自身を除く): 17971018

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 529, 1058, 2645, 3851, 5290, 7702, 19255, 38510, 88573, 177146, 442865, 885730, 2037179, 4074358, 10185895, 20371790]

約数ペア:

[(1, 20371790), (2, 10185895), (5, 4074358), (10, 2037179), (23, 885730), (46, 442865), (115, 177146), (230, 88573), (529, 38510), (1058, 19255), (2645, 7702), (3851, 5290)]