19996695

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4153}}^1$

素因数の和:4271

約数の個数: 24

約数和(自身を含む): 34993296

約数和(自身を除く): 14996601

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 4153, 4815, 12459, 20765, 37377, 62295, 186885, 444371, 1333113, 2221855, 3999339, 6665565, 19996695]

約数ペア:

[(1, 19996695), (3, 6665565), (5, 3999339), (9, 2221855), (15, 1333113), (45, 444371), (107, 186885), (321, 62295), (535, 37377), (963, 20765), (1605, 12459), (4153, 4815)]