20974646

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19457}}^1$

素因数の和:19484

約数の個数: 24

約数和(自身を含む): 39927816

約数和(自身を除く): 18953170

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 19457, 38914, 136199, 214027, 272398, 428054, 953393, 1498189, 1906786, 2996378, 10487323, 20974646]

約数ペア:

[(1, 20974646), (2, 10487323), (7, 2996378), (11, 1906786), (14, 1498189), (22, 953393), (49, 428054), (77, 272398), (98, 214027), (154, 136199), (539, 38914), (1078, 19457)]