20999946

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{318181}}^1$

素因数の和:318197

約数の個数: 16

約数和(自身を含む): 45818208

約数和(自身を除く): 24818262

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 318181, 636362, 954543, 1909086, 3499991, 6999982, 10499973, 20999946]

約数ペア:

[(1, 20999946), (2, 10499973), (3, 6999982), (6, 3499991), (11, 1909086), (22, 954543), (33, 636362), (66, 318181)]