20671170065

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{304907}}^1$

素因数の和:305081

約数の個数: 32

約数和(自身を含む): 30734726400

約数和(自身を除く): 10063556335

約数列:

[1, 5, 7, 13, 35, 65, 91, 149, 455, 745, 1043, 1937, 5215, 9685, 13559, 67795, 304907, 1524535, 2134349, 3963791, 10671745, 19818955, 27746537, 45431143, 138732685, 227155715, 318018001, 590604859, 1590090005, 2953024295, 4134234013, 20671170065]

約数ペア:

[(1, 20671170065), (5, 4134234013), (7, 2953024295), (13, 1590090005), (35, 590604859), (65, 318018001), (91, 227155715), (149, 138732685), (455, 45431143), (745, 27746537), (1043, 19818955), (1937, 10671745), (5215, 3963791), (9685, 2134349), (13559, 1524535), (67795, 304907)]