20940542

素因数分解:

$2^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1997}}^1$

素因数の和:2120

約数の個数: 24

約数和(自身を含む): 36899064

約数和(自身を除く): 15958522

約数列:

[1, 2, 7, 14, 49, 98, 107, 214, 749, 1498, 1997, 3994, 5243, 10486, 13979, 27958, 97853, 195706, 213679, 427358, 1495753, 2991506, 10470271, 20940542]

約数ペア:

[(1, 20940542), (2, 10470271), (7, 2991506), (14, 1495753), (49, 427358), (98, 213679), (107, 195706), (214, 97853), (749, 27958), (1498, 13979), (1997, 10486), (3994, 5243)]