20183870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7793}}^1$

素因数の和:7844

約数の個数: 32

約数和(自身を含む): 42648768

約数和(自身を除く): 22464898

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 7793, 15586, 38965, 54551, 77930, 109102, 272755, 288341, 545510, 576682, 1441705, 2018387, 2883410, 4036774, 10091935, 20183870]

約数ペア:

[(1, 20183870), (2, 10091935), (5, 4036774), (7, 2883410), (10, 2018387), (14, 1441705), (35, 576682), (37, 545510), (70, 288341), (74, 272755), (185, 109102), (259, 77930), (370, 54551), (518, 38965), (1295, 15586), (2590, 7793)]