20443478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 34642080

約数和(自身を除く): 14198602

約数列:

[1, 2, 11, 22, 53, 89, 106, 178, 197, 394, 583, 979, 1166, 1958, 2167, 4334, 4717, 9434, 10441, 17533, 20882, 35066, 51887, 103774, 114851, 192863, 229702, 385726, 929249, 1858498, 10221739, 20443478]

約数ペア:

[(1, 20443478), (2, 10221739), (11, 1858498), (22, 929249), (53, 385726), (89, 229702), (106, 192863), (178, 114851), (197, 103774), (394, 51887), (583, 35066), (979, 20882), (1166, 17533), (1958, 10441), (2167, 9434), (4334, 4717)]