20765835

素因数分解:

$3^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{797}}^1$

素因数の和:1004

約数の個数: 32

約数和(自身を含む): 37154880

約数和(自身を除く): 16389045

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 193, 579, 797, 965, 1737, 2391, 2895, 3985, 5211, 7173, 8685, 11955, 21519, 26055, 35865, 107595, 153821, 461463, 769105, 1384389, 2307315, 4153167, 6921945, 20765835]

約数ペア:

[(1, 20765835), (3, 6921945), (5, 4153167), (9, 2307315), (15, 1384389), (27, 769105), (45, 461463), (135, 153821), (193, 107595), (579, 35865), (797, 26055), (965, 21519), (1737, 11955), (2391, 8685), (2895, 7173), (3985, 5211)]