20703795

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8573}}^1$

素因数の和:8611

約数の個数: 32

約数和(自身を含む): 39508992

約数和(自身を除く): 18805197

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 8573, 25719, 42865, 60011, 128595, 180033, 197179, 300055, 591537, 900165, 985895, 1380253, 2957685, 4140759, 6901265, 20703795]

約数ペア:

[(1, 20703795), (3, 6901265), (5, 4140759), (7, 2957685), (15, 1380253), (21, 985895), (23, 900165), (35, 591537), (69, 300055), (105, 197179), (115, 180033), (161, 128595), (345, 60011), (483, 42865), (805, 25719), (2415, 8573)]