20172969425

素因数分解:

$5^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{397}}^1\times {\mathrm{991}}^1$

素因数の和:1698

約数の個数: 48

約数和(自身を含む): 28786824192

約数和(自身を除く): 8613854767

約数列:

[1, 5, 7, 25, 35, 175, 293, 397, 991, 1465, 1985, 2051, 2779, 4955, 6937, 7325, 9925, 10255, 13895, 24775, 34685, 51275, 69475, 116321, 173425, 290363, 393427, 581605, 814247, 1451815, 1967135, 2032541, 2753989, 2908025, 4071235, 7259075, 9835675, 10162705, 13769945, 20356175, 50813525, 68849725, 115274111, 576370555, 806918777, 2881852775, 4034593885, 20172969425]

約数ペア:

[(1, 20172969425), (5, 4034593885), (7, 2881852775), (25, 806918777), (35, 576370555), (175, 115274111), (293, 68849725), (397, 50813525), (991, 20356175), (1465, 13769945), (1985, 10162705), (2051, 9835675), (2779, 7259075), (4955, 4071235), (6937, 2908025), (7325, 2753989), (9925, 2032541), (10255, 1967135), (13895, 1451815), (24775, 814247), (34685, 581605), (51275, 393427), (69475, 290363), (116321, 173425)]