20013778085

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{38447}}^1$

素因数の和:38705

約数の個数: 32

約数和(自身を含む): 27904020480

約数和(自身を除く): 7890242395

約数列:

[1, 5, 7, 35, 107, 139, 535, 695, 749, 973, 3745, 4865, 14873, 38447, 74365, 104111, 192235, 269129, 520555, 1345645, 4113829, 5344133, 20569145, 26720665, 28796803, 37408931, 143984015, 187044655, 571822231, 2859111155, 4002755617, 20013778085]

約数ペア:

[(1, 20013778085), (5, 4002755617), (7, 2859111155), (35, 571822231), (107, 187044655), (139, 143984015), (535, 37408931), (695, 28796803), (749, 26720665), (973, 20569145), (3745, 5344133), (4865, 4113829), (14873, 1345645), (38447, 520555), (74365, 269129), (104111, 192235)]