20488240008

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{19489}}^1$

素因数の和:19692

約数の個数: 128

約数和(自身を含む): 59124864000

約数和(自身を除く): 38636623992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 93, 108, 124, 157, 186, 216, 248, 279, 314, 372, 471, 558, 628, 744, 837, 942, 1116, 1256, 1413, 1674, 1884, 2232, 2826, 3348, 3768, 4239, 4867, 5652, 6696, 8478, 9734, 11304, 14601, 16956, 19468, 19489, 29202, 33912, 38936, 38978, 43803, 58404, 58467, 77956, 87606, 116808, 116934, 131409, 155912, 175212, 175401, 233868, 262818, 350424, 350802, 467736, 525636, 526203, 604159, 701604, 1051272, 1052406, 1208318, 1403208, 1812477, 2104812, 2416636, 3059773, 3624954, 4209624, 4833272, 5437431, 6119546, 7249908, 9179319, 10874862, 12239092, 14499816, 16312293, 18358638, 21749724, 24478184, 27537957, 32624586, 36717276, 43499448, 55075914, 65249172, 73434552, 82613871, 94852963, 110151828, 130498344, 165227742, 189705926, 220303656, 284558889, 330455484, 379411852, 569117778, 660910968, 758823704, 853676667, 1138235556, 1707353334, 2276471112, 2561030001, 3414706668, 5122060002, 6829413336, 10244120004, 20488240008]

約数ペア:

[(1, 20488240008), (2, 10244120004), (3, 6829413336), (4, 5122060002), (6, 3414706668), (8, 2561030001), (9, 2276471112), (12, 1707353334), (18, 1138235556), (24, 853676667), (27, 758823704), (31, 660910968), (36, 569117778), (54, 379411852), (62, 330455484), (72, 284558889), (93, 220303656), (108, 189705926), (124, 165227742), (157, 130498344), (186, 110151828), (216, 94852963), (248, 82613871), (279, 73434552), (314, 65249172), (372, 55075914), (471, 43499448), (558, 36717276), (628, 32624586), (744, 27537957), (837, 24478184), (942, 21749724), (1116, 18358638), (1256, 16312293), (1413, 14499816), (1674, 12239092), (1884, 10874862), (2232, 9179319), (2826, 7249908), (3348, 6119546), (3768, 5437431), (4239, 4833272), (4867, 4209624), (5652, 3624954), (6696, 3059773), (8478, 2416636), (9734, 2104812), (11304, 1812477), (14601, 1403208), (16956, 1208318), (19468, 1052406), (19489, 1051272), (29202, 701604), (33912, 604159), (38936, 526203), (38978, 525636), (43803, 467736), (58404, 350802), (58467, 350424), (77956, 262818), (87606, 233868), (116808, 175401), (116934, 175212), (131409, 155912)]