20284509

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{31159}}^1$

素因数の和:31200

約数の個数: 16

約数和(自身を含む): 31907840

約数和(自身を除く): 11623331

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 31159, 93477, 218113, 654339, 965929, 2897787, 6761503, 20284509]

約数ペア:

[(1, 20284509), (3, 6761503), (7, 2897787), (21, 965929), (31, 654339), (93, 218113), (217, 93477), (651, 31159)]