20495178

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{103511}}^1$

素因数の和:103530

約数の個数: 24

約数和(自身を含む): 48443616

約数和(自身を除く): 27948438

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 103511, 207022, 310533, 621066, 931599, 1138621, 1863198, 2277242, 3415863, 6831726, 10247589, 20495178]

約数ペア:

[(1, 20495178), (2, 10247589), (3, 6831726), (6, 3415863), (9, 2277242), (11, 1863198), (18, 1138621), (22, 931599), (33, 621066), (66, 310533), (99, 207022), (198, 103511)]