20172857691

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{67931}}^1$

素因数の和:68199

約数の個数: 32

約数和(自身を含む): 31303065600

約数和(自身を除く): 11130207909

約数列:

[1, 3, 7, 21, 79, 179, 237, 537, 553, 1253, 1659, 3759, 14141, 42423, 67931, 98987, 203793, 296961, 475517, 1426551, 5366549, 12159649, 16099647, 36478947, 37565843, 85117543, 112697529, 255352629, 960612271, 2881836813, 6724285897, 20172857691]

約数ペア:

[(1, 20172857691), (3, 6724285897), (7, 2881836813), (21, 960612271), (79, 255352629), (179, 112697529), (237, 85117543), (537, 37565843), (553, 36478947), (1253, 16099647), (1659, 12159649), (3759, 5366549), (14141, 1426551), (42423, 475517), (67931, 296961), (98987, 203793)]