20083365

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 36324288

約数和(自身を除く): 16240923

約数列:

[1, 3, 5, 9, 15, 43, 45, 97, 107, 129, 215, 291, 321, 387, 485, 535, 645, 873, 963, 1455, 1605, 1935, 4171, 4365, 4601, 4815, 10379, 12513, 13803, 20855, 23005, 31137, 37539, 41409, 51895, 62565, 69015, 93411, 155685, 187695, 207045, 446297, 467055, 1338891, 2231485, 4016673, 6694455, 20083365]

約数ペア:

[(1, 20083365), (3, 6694455), (5, 4016673), (9, 2231485), (15, 1338891), (43, 467055), (45, 446297), (97, 207045), (107, 187695), (129, 155685), (215, 93411), (291, 69015), (321, 62565), (387, 51895), (485, 41409), (535, 37539), (645, 31137), (873, 23005), (963, 20855), (1455, 13803), (1605, 12513), (1935, 10379), (4171, 4815), (4365, 4601)]