20451266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13093}}^1$

素因数の和:13177

約数の個数: 16

約数和(自身を含む): 33939648

約数和(自身を除く): 13488382

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13093, 26186, 144023, 288046, 929603, 1859206, 10225633, 20451266]

約数ペア:

[(1, 20451266), (2, 10225633), (11, 1859206), (22, 929603), (71, 288046), (142, 144023), (781, 26186), (1562, 13093)]