20156055

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 14058345

約数列:

[1, 3, 5, 15, 19, 57, 95, 197, 285, 359, 591, 985, 1077, 1795, 2955, 3743, 5385, 6821, 11229, 18715, 20463, 34105, 56145, 70723, 102315, 212169, 353615, 1060845, 1343737, 4031211, 6718685, 20156055]

約数ペア:

[(1, 20156055), (3, 6718685), (5, 4031211), (15, 1343737), (19, 1060845), (57, 353615), (95, 212169), (197, 102315), (285, 70723), (359, 56145), (591, 34105), (985, 20463), (1077, 18715), (1795, 11229), (2955, 6821), (3743, 5385)]