20479360

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2909}}^1$

素因数の和:2939

約数の個数: 64

約数和(自身を含む): 53427600

約数和(自身を除く): 32948240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 2909, 3520, 5818, 7040, 11636, 14545, 23272, 29090, 31999, 46544, 58180, 63998, 93088, 116360, 127996, 159995, 186176, 232720, 255992, 319990, 372352, 465440, 511984, 639980, 930880, 1023968, 1279960, 1861760, 2047936, 2559920, 4095872, 5119840, 10239680, 20479360]

約数ペア:

[(1, 20479360), (2, 10239680), (4, 5119840), (5, 4095872), (8, 2559920), (10, 2047936), (11, 1861760), (16, 1279960), (20, 1023968), (22, 930880), (32, 639980), (40, 511984), (44, 465440), (55, 372352), (64, 319990), (80, 255992), (88, 232720), (110, 186176), (128, 159995), (160, 127996), (176, 116360), (220, 93088), (320, 63998), (352, 58180), (440, 46544), (640, 31999), (704, 29090), (880, 23272), (1408, 14545), (1760, 11636), (2909, 7040), (3520, 5818)]