20191644

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{50989}}^1$

素因数の和:51010

約数の個数: 36

約数和(自身を含む): 55681080

約数和(自身を除く): 35489436

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 50989, 101978, 152967, 203956, 305934, 458901, 560879, 611868, 917802, 1121758, 1682637, 1835604, 2243516, 3365274, 5047911, 6730548, 10095822, 20191644]

約数ペア:

[(1, 20191644), (2, 10095822), (3, 6730548), (4, 5047911), (6, 3365274), (9, 2243516), (11, 1835604), (12, 1682637), (18, 1121758), (22, 917802), (33, 611868), (36, 560879), (44, 458901), (66, 305934), (99, 203956), (132, 152967), (198, 101978), (396, 50989)]