20196928

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:275

約数の個数: 56

約数和(自身を含む): 42245280

約数和(自身を除く): 22048352

約数列:

[1, 2, 4, 8, 16, 32, 41, 43, 64, 82, 86, 164, 172, 179, 328, 344, 358, 656, 688, 716, 1312, 1376, 1432, 1763, 2624, 2752, 2864, 3526, 5728, 7052, 7339, 7697, 11456, 14104, 14678, 15394, 28208, 29356, 30788, 56416, 58712, 61576, 112832, 117424, 123152, 234848, 246304, 315577, 469696, 492608, 631154, 1262308, 2524616, 5049232, 10098464, 20196928]

約数ペア:

[(1, 20196928), (2, 10098464), (4, 5049232), (8, 2524616), (16, 1262308), (32, 631154), (41, 492608), (43, 469696), (64, 315577), (82, 246304), (86, 234848), (164, 123152), (172, 117424), (179, 112832), (328, 61576), (344, 58712), (358, 56416), (656, 30788), (688, 29356), (716, 28208), (1312, 15394), (1376, 14678), (1432, 14104), (1763, 11456), (2624, 7697), (2752, 7339), (2864, 7052), (3526, 5728)]