20786612

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67489}}^1$

素因数の和:67511

約数の個数: 24

約数和(自身を含む): 45353280

約数和(自身を除く): 24566668

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67489, 134978, 269956, 472423, 742379, 944846, 1484758, 1889692, 2969516, 5196653, 10393306, 20786612]

約数ペア:

[(1, 20786612), (2, 10393306), (4, 5196653), (7, 2969516), (11, 1889692), (14, 1484758), (22, 944846), (28, 742379), (44, 472423), (77, 269956), (154, 134978), (308, 67489)]