20935680

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:104

約数の個数: 176

約数和(自身を含む): 70744320

約数和(自身を除く): 49808640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 47, 48, 58, 60, 64, 80, 87, 94, 96, 116, 120, 128, 141, 145, 160, 174, 188, 192, 232, 235, 240, 256, 282, 290, 320, 348, 376, 384, 435, 464, 470, 480, 512, 564, 580, 640, 696, 705, 752, 768, 870, 928, 940, 960, 1024, 1128, 1160, 1280, 1363, 1392, 1410, 1504, 1536, 1740, 1856, 1880, 1920, 2256, 2320, 2560, 2726, 2784, 2820, 3008, 3072, 3480, 3712, 3760, 3840, 4089, 4512, 4640, 5120, 5452, 5568, 5640, 6016, 6815, 6960, 7424, 7520, 7680, 8178, 9024, 9280, 10904, 11136, 11280, 12032, 13630, 13920, 14848, 15040, 15360, 16356, 18048, 18560, 20445, 21808, 22272, 22560, 24064, 27260, 27840, 29696, 30080, 32712, 36096, 37120, 40890, 43616, 44544, 45120, 48128, 54520, 55680, 60160, 65424, 72192, 74240, 81780, 87232, 89088, 90240, 109040, 111360, 120320, 130848, 144384, 148480, 163560, 174464, 180480, 218080, 222720, 240640, 261696, 327120, 348928, 360960, 436160, 445440, 523392, 654240, 697856, 721920, 872320, 1046784, 1308480, 1395712, 1744640, 2093568, 2616960, 3489280, 4187136, 5233920, 6978560, 10467840, 20935680]

約数ペア:

[(1, 20935680), (2, 10467840), (3, 6978560), (4, 5233920), (5, 4187136), (6, 3489280), (8, 2616960), (10, 2093568), (12, 1744640), (15, 1395712), (16, 1308480), (20, 1046784), (24, 872320), (29, 721920), (30, 697856), (32, 654240), (40, 523392), (47, 445440), (48, 436160), (58, 360960), (60, 348928), (64, 327120), (80, 261696), (87, 240640), (94, 222720), (96, 218080), (116, 180480), (120, 174464), (128, 163560), (141, 148480), (145, 144384), (160, 130848), (174, 120320), (188, 111360), (192, 109040), (232, 90240), (235, 89088), (240, 87232), (256, 81780), (282, 74240), (290, 72192), (320, 65424), (348, 60160), (376, 55680), (384, 54520), (435, 48128), (464, 45120), (470, 44544), (480, 43616), (512, 40890), (564, 37120), (580, 36096), (640, 32712), (696, 30080), (705, 29696), (752, 27840), (768, 27260), (870, 24064), (928, 22560), (940, 22272), (960, 21808), (1024, 20445), (1128, 18560), (1160, 18048), (1280, 16356), (1363, 15360), (1392, 15040), (1410, 14848), (1504, 13920), (1536, 13630), (1740, 12032), (1856, 11280), (1880, 11136), (1920, 10904), (2256, 9280), (2320, 9024), (2560, 8178), (2726, 7680), (2784, 7520), (2820, 7424), (3008, 6960), (3072, 6815), (3480, 6016), (3712, 5640), (3760, 5568), (3840, 5452), (4089, 5120), (4512, 4640)]