20145753020

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{367}}^1\times {\mathrm{14221}}^1$

素因数の和:14790

約数の個数: 48

約数和(自身を含む): 42644155008

約数和(自身を除く): 22498401988

約数列:

[1, 2, 4, 5, 10, 20, 193, 367, 386, 734, 772, 965, 1468, 1835, 1930, 3670, 3860, 7340, 14221, 28442, 56884, 70831, 71105, 141662, 142210, 283324, 284420, 354155, 708310, 1416620, 2744653, 5219107, 5489306, 10438214, 10978612, 13723265, 20876428, 26095535, 27446530, 52191070, 54893060, 104382140, 1007287651, 2014575302, 4029150604, 5036438255, 10072876510, 20145753020]

約数ペア:

[(1, 20145753020), (2, 10072876510), (4, 5036438255), (5, 4029150604), (10, 2014575302), (20, 1007287651), (193, 104382140), (367, 54893060), (386, 52191070), (734, 27446530), (772, 26095535), (965, 20876428), (1468, 13723265), (1835, 10978612), (1930, 10438214), (3670, 5489306), (3860, 5219107), (7340, 2744653), (14221, 1416620), (28442, 708310), (56884, 354155), (70831, 284420), (71105, 283324), (141662, 142210)]