20135146885

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{17839}}^1$

素因数の和:18146

約数の個数: 48

約数和(自身を含む): 29871866880

約数和(自身を除く): 9736719995

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 271, 595, 833, 1355, 1897, 4165, 4607, 9485, 13279, 17839, 23035, 32249, 66395, 89195, 124873, 161245, 225743, 303263, 624365, 874111, 1128715, 1516315, 2122841, 4370555, 4834369, 10614205, 14859887, 24171845, 33840583, 74299435, 82184273, 169202915, 236884081, 410921365, 575289911, 1184420405, 2876449555, 4027029377, 20135146885]

約数ペア:

[(1, 20135146885), (5, 4027029377), (7, 2876449555), (17, 1184420405), (35, 575289911), (49, 410921365), (85, 236884081), (119, 169202915), (245, 82184273), (271, 74299435), (595, 33840583), (833, 24171845), (1355, 14859887), (1897, 10614205), (4165, 4834369), (4607, 4370555), (9485, 2122841), (13279, 1516315), (17839, 1128715), (23035, 874111), (32249, 624365), (66395, 303263), (89195, 225743), (124873, 161245)]