20068195

素因数分解:

$5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{811}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 28325808

約数和(自身を除く): 8257613

約数列:

[1, 5, 7, 35, 49, 101, 245, 505, 707, 811, 3535, 4055, 4949, 5677, 24745, 28385, 39739, 81911, 198695, 409555, 573377, 2866885, 4013639, 20068195]

約数ペア:

[(1, 20068195), (5, 4013639), (7, 2866885), (35, 573377), (49, 409555), (101, 198695), (245, 81911), (505, 39739), (707, 28385), (811, 24745), (3535, 5677), (4055, 4949)]