20832315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{997}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 38323200

約数和(自身を除く): 17490885

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 199, 597, 995, 997, 1393, 2985, 2991, 4179, 4985, 6965, 6979, 14955, 20895, 20937, 34895, 104685, 198403, 595209, 992015, 1388821, 2976045, 4166463, 6944105, 20832315]

約数ペア:

[(1, 20832315), (3, 6944105), (5, 4166463), (7, 2976045), (15, 1388821), (21, 992015), (35, 595209), (105, 198403), (199, 104685), (597, 34895), (995, 20937), (997, 20895), (1393, 14955), (2985, 6979), (2991, 6965), (4179, 4985)]