20199850897009

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{43721}}^1\times {\mathrm{496259}}^1$

素因数の和:540013

約数の個数: 24

約数和(自身を含む): 24735126880800

約数和(自身を除く): 4535275983791

約数列:

[1, 7, 19, 49, 133, 931, 43721, 306047, 496259, 830699, 2142329, 3473813, 5814893, 9428921, 24316691, 40704251, 66002447, 462017129, 21696939739, 151878578173, 412241855041, 1063150047211, 2885692985287, 20199850897009]

約数ペア:

[(1, 20199850897009), (7, 2885692985287), (19, 1063150047211), (49, 412241855041), (133, 151878578173), (931, 21696939739), (43721, 462017129), (306047, 66002447), (496259, 40704251), (830699, 24316691), (2142329, 9428921), (3473813, 5814893)]