20795600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{1061}}^1$

素因数の和:1093

約数の個数: 90

約数和(自身を含む): 58173174

約数和(自身を除く): 37377574

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1061, 1225, 1400, 1960, 2122, 2450, 2800, 3920, 4244, 4900, 5305, 7427, 8488, 9800, 10610, 14854, 16976, 19600, 21220, 26525, 29708, 37135, 42440, 51989, 53050, 59416, 74270, 84880, 103978, 106100, 118832, 148540, 185675, 207956, 212200, 259945, 297080, 371350, 415912, 424400, 519890, 594160, 742700, 831824, 1039780, 1299725, 1485400, 2079560, 2599450, 2970800, 4159120, 5198900, 10397800, 20795600]

約数ペア:

[(1, 20795600), (2, 10397800), (4, 5198900), (5, 4159120), (7, 2970800), (8, 2599450), (10, 2079560), (14, 1485400), (16, 1299725), (20, 1039780), (25, 831824), (28, 742700), (35, 594160), (40, 519890), (49, 424400), (50, 415912), (56, 371350), (70, 297080), (80, 259945), (98, 212200), (100, 207956), (112, 185675), (140, 148540), (175, 118832), (196, 106100), (200, 103978), (245, 84880), (280, 74270), (350, 59416), (392, 53050), (400, 51989), (490, 42440), (560, 37135), (700, 29708), (784, 26525), (980, 21220), (1061, 19600), (1225, 16976), (1400, 14854), (1960, 10610), (2122, 9800), (2450, 8488), (2800, 7427), (3920, 5305), (4244, 4900)]