20936055

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4637}}^1$

素因数の和:4695

約数の個数: 32

約数和(自身を含む): 39181824

約数和(自身を除く): 18245769

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4515, 4637, 13911, 23185, 32459, 69555, 97377, 162295, 199391, 486885, 598173, 996955, 1395737, 2990865, 4187211, 6978685, 20936055]

約数ペア:

[(1, 20936055), (3, 6978685), (5, 4187211), (7, 2990865), (15, 1395737), (21, 996955), (35, 598173), (43, 486885), (105, 199391), (129, 162295), (215, 97377), (301, 69555), (645, 32459), (903, 23185), (1505, 13911), (4515, 4637)]