20945268071

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{284509}}^1$

素因数の和:285338

約数の個数: 16

約数和(自身を含む): 25810747200

約数和(自身を除く): 4865479129

約数列:

[1, 7, 13, 91, 809, 5663, 10517, 73619, 284509, 1991563, 3698617, 25890319, 230167781, 1611174467, 2992181153, 20945268071]

約数ペア:

[(1, 20945268071), (7, 2992181153), (13, 1611174467), (91, 230167781), (809, 25890319), (5663, 3698617), (10517, 1991563), (73619, 284509)]