20802180039

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{66853}}^1$

素因数の和:67031

約数の個数: 32

約数和(自身を含む): 30036165120

約数和(自身を除く): 9233985081

約数列:

[1, 3, 19, 53, 57, 103, 159, 309, 1007, 1957, 3021, 5459, 5871, 16377, 66853, 103721, 200559, 311163, 1270207, 3543209, 3810621, 6885859, 10629627, 20657577, 67320971, 130831321, 201962913, 364950527, 392493963, 1094851581, 6934060013, 20802180039]

約数ペア:

[(1, 20802180039), (3, 6934060013), (19, 1094851581), (53, 392493963), (57, 364950527), (103, 201962913), (159, 130831321), (309, 67320971), (1007, 20657577), (1957, 10629627), (3021, 6885859), (5459, 3810621), (5871, 3543209), (16377, 1270207), (66853, 311163), (103721, 200559)]