20705055

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6361}}^1$

素因数の和:6407

約数の個数: 32

約数和(自身を含む): 39088128

約数和(自身を除く): 18383073

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 6361, 19083, 31805, 44527, 95415, 133581, 197191, 222635, 591573, 667905, 985955, 1380337, 2957865, 4141011, 6901685, 20705055]

約数ペア:

[(1, 20705055), (3, 6901685), (5, 4141011), (7, 2957865), (15, 1380337), (21, 985955), (31, 667905), (35, 591573), (93, 222635), (105, 197191), (155, 133581), (217, 95415), (465, 44527), (651, 31805), (1085, 19083), (3255, 6361)]