20217069

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{967}}^1$

素因数の和:1097

約数の個数: 24

約数和(自身を含む): 30805632

約数和(自身を除く): 10588563

約数列:

[1, 3, 9, 23, 69, 101, 207, 303, 909, 967, 2323, 2901, 6969, 8703, 20907, 22241, 66723, 97667, 200169, 293001, 879003, 2246341, 6739023, 20217069]

約数ペア:

[(1, 20217069), (3, 6739023), (9, 2246341), (23, 879003), (69, 293001), (101, 200169), (207, 97667), (303, 66723), (909, 22241), (967, 20907), (2323, 8703), (2901, 6969)]