20650539

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1129}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 34424320

約数和(自身を除く): 13773781

約数列:

[1, 3, 7, 13, 21, 39, 67, 91, 201, 273, 469, 871, 1129, 1407, 2613, 3387, 6097, 7903, 14677, 18291, 23709, 44031, 75643, 102739, 226929, 308217, 529501, 983359, 1588503, 2950077, 6883513, 20650539]

約数ペア:

[(1, 20650539), (3, 6883513), (7, 2950077), (13, 1588503), (21, 983359), (39, 529501), (67, 308217), (91, 226929), (201, 102739), (273, 75643), (469, 44031), (871, 23709), (1129, 18291), (1407, 14677), (2613, 7903), (3387, 6097)]