20622784

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3541}}^1$

素因数の和:3573

約数の個数: 56

約数和(自身を含む): 50381408

約数和(自身を除く): 29758624

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 3541, 5824, 7082, 14164, 24787, 28328, 46033, 49574, 56656, 92066, 99148, 113312, 184132, 198296, 226624, 322231, 368264, 396592, 644462, 736528, 793184, 1288924, 1473056, 1586368, 2577848, 2946112, 5155696, 10311392, 20622784]

約数ペア:

[(1, 20622784), (2, 10311392), (4, 5155696), (7, 2946112), (8, 2577848), (13, 1586368), (14, 1473056), (16, 1288924), (26, 793184), (28, 736528), (32, 644462), (52, 396592), (56, 368264), (64, 322231), (91, 226624), (104, 198296), (112, 184132), (182, 113312), (208, 99148), (224, 92066), (364, 56656), (416, 49574), (448, 46033), (728, 28328), (832, 24787), (1456, 14164), (2912, 7082), (3541, 5824)]