20904102016

素因数分解:

$2^7\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{17117}}^1$

素因数の和:17214

約数の個数: 128

約数和(自身を含む): 50285836800

約数和(自身を除く): 29381734784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 47, 56, 58, 64, 94, 112, 116, 128, 188, 203, 224, 232, 329, 376, 406, 448, 464, 658, 752, 812, 896, 928, 1316, 1363, 1504, 1624, 1856, 2632, 2726, 3008, 3248, 3712, 5264, 5452, 6016, 6496, 9541, 10528, 10904, 12992, 17117, 19082, 21056, 21808, 25984, 34234, 38164, 42112, 43616, 68468, 76328, 87232, 119819, 136936, 152656, 174464, 239638, 273872, 305312, 479276, 496393, 547744, 610624, 804499, 958552, 992786, 1095488, 1221248, 1608998, 1917104, 1985572, 2190976, 3217996, 3474751, 3834208, 3971144, 5631493, 6435992, 6949502, 7668416, 7942288, 11262986, 12871984, 13899004, 15336832, 15884576, 22525972, 23330471, 25743968, 27798008, 31769152, 45051944, 46660942, 51487936, 55596016, 63538304, 90103888, 93321884, 102975872, 111192032, 163313297, 180207776, 186643768, 222384064, 326626594, 360415552, 373287536, 444768128, 653253188, 720831104, 746575072, 1306506376, 1493150144, 2613012752, 2986300288, 5226025504, 10452051008, 20904102016]

約数ペア:

[(1, 20904102016), (2, 10452051008), (4, 5226025504), (7, 2986300288), (8, 2613012752), (14, 1493150144), (16, 1306506376), (28, 746575072), (29, 720831104), (32, 653253188), (47, 444768128), (56, 373287536), (58, 360415552), (64, 326626594), (94, 222384064), (112, 186643768), (116, 180207776), (128, 163313297), (188, 111192032), (203, 102975872), (224, 93321884), (232, 90103888), (329, 63538304), (376, 55596016), (406, 51487936), (448, 46660942), (464, 45051944), (658, 31769152), (752, 27798008), (812, 25743968), (896, 23330471), (928, 22525972), (1316, 15884576), (1363, 15336832), (1504, 13899004), (1624, 12871984), (1856, 11262986), (2632, 7942288), (2726, 7668416), (3008, 6949502), (3248, 6435992), (3712, 5631493), (5264, 3971144), (5452, 3834208), (6016, 3474751), (6496, 3217996), (9541, 2190976), (10528, 1985572), (10904, 1917104), (12992, 1608998), (17117, 1221248), (19082, 1095488), (21056, 992786), (21808, 958552), (25984, 804499), (34234, 610624), (38164, 547744), (42112, 496393), (43616, 479276), (68468, 305312), (76328, 273872), (87232, 239638), (119819, 174464), (136936, 152656)]