20171138412

素因数分解:

$2^2\times 3^1\times {\mathrm{83}}^1\times {\mathrm{971}}^1\times {\mathrm{20857}}^1$

素因数の和:21918

約数の個数: 48

約数和(自身を含む): 47684391552

約数和(自身を除く): 27513253140

約数列:

[1, 2, 3, 4, 6, 12, 83, 166, 249, 332, 498, 971, 996, 1942, 2913, 3884, 5826, 11652, 20857, 41714, 62571, 80593, 83428, 125142, 161186, 241779, 250284, 322372, 483558, 967116, 1731131, 3462262, 5193393, 6924524, 10386786, 20252147, 20773572, 40504294, 60756441, 81008588, 121512882, 243025764, 1680928201, 3361856402, 5042784603, 6723712804, 10085569206, 20171138412]

約数ペア:

[(1, 20171138412), (2, 10085569206), (3, 6723712804), (4, 5042784603), (6, 3361856402), (12, 1680928201), (83, 243025764), (166, 121512882), (249, 81008588), (332, 60756441), (498, 40504294), (971, 20773572), (996, 20252147), (1942, 10386786), (2913, 6924524), (3884, 5193393), (5826, 3462262), (11652, 1731131), (20857, 967116), (41714, 483558), (62571, 322372), (80593, 250284), (83428, 241779), (125142, 161186)]