20138025691

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{26237}}^1$

素因数の和:26491

約数の個数: 32

約数和(自身を含む): 25188480000

約数和(自身を除く): 5050454309

約数列:

[1, 7, 19, 29, 133, 199, 203, 551, 1393, 3781, 3857, 5771, 26237, 26467, 40397, 109649, 183659, 498503, 760873, 767543, 3489521, 5221163, 5326111, 14456587, 36548141, 99202097, 101196109, 151413727, 694414679, 1059896089, 2876860813, 20138025691]

約数ペア:

[(1, 20138025691), (7, 2876860813), (19, 1059896089), (29, 694414679), (133, 151413727), (199, 101196109), (203, 99202097), (551, 36548141), (1393, 14456587), (3781, 5326111), (3857, 5221163), (5771, 3489521), (26237, 767543), (26467, 760873), (40397, 498503), (109649, 183659)]