20137020280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{4603}}^1$

素因数の和:4853

約数の個数: 128

約数和(自身を含む): 50120985600

約数和(自身を除く): 29983965320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 179, 188, 235, 260, 358, 376, 470, 520, 611, 716, 895, 940, 1222, 1432, 1790, 1880, 2327, 2444, 3055, 3580, 4603, 4654, 4888, 6110, 7160, 8413, 9206, 9308, 11635, 12220, 16826, 18412, 18616, 23015, 23270, 24440, 33652, 36824, 42065, 46030, 46540, 59839, 67304, 84130, 92060, 93080, 109369, 119678, 168260, 184120, 216341, 218738, 239356, 299195, 336520, 432682, 437476, 478712, 546845, 598390, 823937, 865364, 874952, 1081705, 1093690, 1196780, 1647874, 1730728, 2163410, 2187380, 2393560, 2812433, 3295748, 4119685, 4326820, 4374760, 5624866, 6591496, 8239370, 8653640, 10711181, 11249732, 14062165, 16478740, 21422362, 22499464, 28124330, 32957480, 38725039, 42844724, 53555905, 56248660, 77450078, 85689448, 107111810, 112497320, 154900156, 193625195, 214223620, 309800312, 387250390, 428447240, 503425507, 774500780, 1006851014, 1549001560, 2013702028, 2517127535, 4027404056, 5034255070, 10068510140, 20137020280]

約数ペア:

[(1, 20137020280), (2, 10068510140), (4, 5034255070), (5, 4027404056), (8, 2517127535), (10, 2013702028), (13, 1549001560), (20, 1006851014), (26, 774500780), (40, 503425507), (47, 428447240), (52, 387250390), (65, 309800312), (94, 214223620), (104, 193625195), (130, 154900156), (179, 112497320), (188, 107111810), (235, 85689448), (260, 77450078), (358, 56248660), (376, 53555905), (470, 42844724), (520, 38725039), (611, 32957480), (716, 28124330), (895, 22499464), (940, 21422362), (1222, 16478740), (1432, 14062165), (1790, 11249732), (1880, 10711181), (2327, 8653640), (2444, 8239370), (3055, 6591496), (3580, 5624866), (4603, 4374760), (4654, 4326820), (4888, 4119685), (6110, 3295748), (7160, 2812433), (8413, 2393560), (9206, 2187380), (9308, 2163410), (11635, 1730728), (12220, 1647874), (16826, 1196780), (18412, 1093690), (18616, 1081705), (23015, 874952), (23270, 865364), (24440, 823937), (33652, 598390), (36824, 546845), (42065, 478712), (46030, 437476), (46540, 432682), (59839, 336520), (67304, 299195), (84130, 239356), (92060, 218738), (93080, 216341), (109369, 184120), (119678, 168260)]