20173902005

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{4349}}^1$

素因数の和:4709

約数の個数: 32

約数和(自身を含む): 25088572800

約数和(自身を除く): 4914670795

約数列:

[1, 5, 61, 67, 227, 305, 335, 1135, 4087, 4349, 13847, 15209, 20435, 21745, 69235, 76045, 265289, 291383, 927749, 987223, 1326445, 1456915, 4638745, 4936115, 17774363, 60220603, 66143941, 88871815, 301103015, 330719705, 4034780401, 20173902005]

約数ペア:

[(1, 20173902005), (5, 4034780401), (61, 330719705), (67, 301103015), (227, 88871815), (305, 66143941), (335, 60220603), (1135, 17774363), (4087, 4936115), (4349, 4638745), (13847, 1456915), (15209, 1326445), (20435, 987223), (21745, 927749), (69235, 291383), (76045, 265289)]