20503401989

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{971}}^1\times {\mathrm{23027}}^1$

素因数の和:24136

約数の個数: 16

約数和(自身を含む): 23636676096

約数和(自身を除く): 3133274107

約数列:

[1, 7, 131, 917, 971, 6797, 23027, 127201, 161189, 890407, 3016537, 21115759, 22359217, 156514519, 2929057427, 20503401989]

約数ペア:

[(1, 20503401989), (7, 2929057427), (131, 156514519), (917, 22359217), (971, 21115759), (6797, 3016537), (23027, 890407), (127201, 161189)]