20051500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 53149824

約数和(自身を除く): 33098324

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 125, 140, 170, 175, 238, 250, 337, 340, 350, 425, 476, 500, 595, 674, 700, 850, 875, 1190, 1348, 1685, 1700, 1750, 2125, 2359, 2380, 2975, 3370, 3500, 4250, 4718, 5729, 5950, 6740, 8425, 8500, 9436, 11458, 11795, 11900, 14875, 16850, 22916, 23590, 28645, 29750, 33700, 40103, 42125, 47180, 57290, 58975, 59500, 80206, 84250, 114580, 117950, 143225, 160412, 168500, 200515, 235900, 286450, 294875, 401030, 572900, 589750, 716125, 802060, 1002575, 1179500, 1432250, 2005150, 2864500, 4010300, 5012875, 10025750, 20051500]

約数ペア:

[(1, 20051500), (2, 10025750), (4, 5012875), (5, 4010300), (7, 2864500), (10, 2005150), (14, 1432250), (17, 1179500), (20, 1002575), (25, 802060), (28, 716125), (34, 589750), (35, 572900), (50, 401030), (68, 294875), (70, 286450), (85, 235900), (100, 200515), (119, 168500), (125, 160412), (140, 143225), (170, 117950), (175, 114580), (238, 84250), (250, 80206), (337, 59500), (340, 58975), (350, 57290), (425, 47180), (476, 42125), (500, 40103), (595, 33700), (674, 29750), (700, 28645), (850, 23590), (875, 22916), (1190, 16850), (1348, 14875), (1685, 11900), (1700, 11795), (1750, 11458), (2125, 9436), (2359, 8500), (2380, 8425), (2975, 6740), (3370, 5950), (3500, 5729), (4250, 4718)]