20963012

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{6997}}^1$

素因数の和:7115

約数の個数: 24

約数和(自身を含む): 42323904

約数和(自身を除く): 21360892

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 6997, 13994, 27988, 48979, 97958, 195916, 748679, 1497358, 2994716, 5240753, 10481506, 20963012]

約数ペア:

[(1, 20963012), (2, 10481506), (4, 5240753), (7, 2994716), (14, 1497358), (28, 748679), (107, 195916), (214, 97958), (428, 48979), (749, 27988), (1498, 13994), (2996, 6997)]