20857535335

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2423}}^1\times {\mathrm{18919}}^1$

素因数の和:21367

約数の個数: 32

約数和(自身を含む): 30819317760

約数和(自身を除く): 9961782425

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 2423, 12115, 16961, 18919, 31499, 84805, 94595, 132433, 157495, 220493, 245947, 662165, 1102465, 1229735, 1721629, 8608145, 45840737, 229203685, 320885159, 595929581, 1604425795, 2979647905, 4171507067, 20857535335]

約数ペア:

[(1, 20857535335), (5, 4171507067), (7, 2979647905), (13, 1604425795), (35, 595929581), (65, 320885159), (91, 229203685), (455, 45840737), (2423, 8608145), (12115, 1721629), (16961, 1229735), (18919, 1102465), (31499, 662165), (84805, 245947), (94595, 220493), (132433, 157495)]