20165655500

素因数分解:

$2^2\times 5^3\times {\mathrm{47}}^1\times {\mathrm{858113}}^1$

素因数の和:858179

約数の個数: 48

約数和(自身を含む): 44978903424

約数和(自身を除く): 24813247924

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 125, 188, 235, 250, 470, 500, 940, 1175, 2350, 4700, 5875, 11750, 23500, 858113, 1716226, 3432452, 4290565, 8581130, 17162260, 21452825, 40331311, 42905650, 80662622, 85811300, 107264125, 161325244, 201656555, 214528250, 403313110, 429056500, 806626220, 1008282775, 2016565550, 4033131100, 5041413875, 10082827750, 20165655500]

約数ペア:

[(1, 20165655500), (2, 10082827750), (4, 5041413875), (5, 4033131100), (10, 2016565550), (20, 1008282775), (25, 806626220), (47, 429056500), (50, 403313110), (94, 214528250), (100, 201656555), (125, 161325244), (188, 107264125), (235, 85811300), (250, 80662622), (470, 42905650), (500, 40331311), (940, 21452825), (1175, 17162260), (2350, 8581130), (4700, 4290565), (5875, 3432452), (11750, 1716226), (23500, 858113)]