20347892

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{937}}^1$

素因数の和:1091

約数の個数: 24

約数和(自身を含む): 36638280

約数和(自身を除く): 16290388

約数列:

[1, 2, 4, 61, 89, 122, 178, 244, 356, 937, 1874, 3748, 5429, 10858, 21716, 57157, 83393, 114314, 166786, 228628, 333572, 5086973, 10173946, 20347892]

約数ペア:

[(1, 20347892), (2, 10173946), (4, 5086973), (61, 333572), (89, 228628), (122, 166786), (178, 114314), (244, 83393), (356, 57157), (937, 21716), (1874, 10858), (3748, 5429)]