20767516

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67427}}^1$

素因数の和:67449

約数の個数: 24

約数和(自身を含む): 45311616

約数和(自身を除く): 24544100

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67427, 134854, 269708, 471989, 741697, 943978, 1483394, 1887956, 2966788, 5191879, 10383758, 20767516]

約数ペア:

[(1, 20767516), (2, 10383758), (4, 5191879), (7, 2966788), (11, 1887956), (14, 1483394), (22, 943978), (28, 741697), (44, 471989), (77, 269708), (154, 134854), (308, 67427)]