20257572

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3863}}^1$

素因数の和:3912

約数の個数: 48

約数和(自身を含む): 51932160

約数和(自身を除く): 31674588

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 228, 276, 437, 874, 1311, 1748, 2622, 3863, 5244, 7726, 11589, 15452, 23178, 46356, 73397, 88849, 146794, 177698, 220191, 266547, 293588, 355396, 440382, 533094, 880764, 1066188, 1688131, 3376262, 5064393, 6752524, 10128786, 20257572]

約数ペア:

[(1, 20257572), (2, 10128786), (3, 6752524), (4, 5064393), (6, 3376262), (12, 1688131), (19, 1066188), (23, 880764), (38, 533094), (46, 440382), (57, 355396), (69, 293588), (76, 266547), (92, 220191), (114, 177698), (138, 146794), (228, 88849), (276, 73397), (437, 46356), (874, 23178), (1311, 15452), (1748, 11589), (2622, 7726), (3863, 5244)]