20565986042

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{77315737}}^1$

素因数の和:77315765

約数の個数: 16

約数和(自身を含む): 37111554240

約数和(自身を除く): 16545568198

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 77315737, 154631474, 541210159, 1082420318, 1468999003, 2937998006, 10282993021, 20565986042]

約数ペア:

[(1, 20565986042), (2, 10282993021), (7, 2937998006), (14, 1468999003), (19, 1082420318), (38, 541210159), (133, 154631474), (266, 77315737)]