20199368651

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{390953}}^1$

素因数の和:391043

約数の個数: 24

約数和(自身を含む): 25790453472

約数和(自身を除く): 5591084821

約数列:

[1, 7, 11, 61, 77, 121, 427, 671, 847, 4697, 7381, 51667, 390953, 2736671, 4300483, 23848133, 30103381, 47305313, 166936931, 262329463, 331137191, 1836306241, 2885624093, 20199368651]

約数ペア:

[(1, 20199368651), (7, 2885624093), (11, 1836306241), (61, 331137191), (77, 262329463), (121, 166936931), (427, 47305313), (671, 30103381), (847, 23848133), (4697, 4300483), (7381, 2736671), (51667, 390953)]