20306007

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:288

約数の個数: 36

約数和(自身を含む): 32151496

約数和(自身を除く): 11845489

約数列:

[1, 3, 9, 17, 37, 51, 111, 153, 211, 289, 333, 629, 633, 867, 1887, 1899, 2601, 3587, 5661, 7807, 10693, 10761, 23421, 32079, 32283, 60979, 70263, 96237, 132719, 182937, 398157, 548811, 1194471, 2256223, 6768669, 20306007]

約数ペア:

[(1, 20306007), (3, 6768669), (9, 2256223), (17, 1194471), (37, 548811), (51, 398157), (111, 182937), (153, 132719), (211, 96237), (289, 70263), (333, 60979), (629, 32283), (633, 32079), (867, 23421), (1887, 10761), (1899, 10693), (2601, 7807), (3587, 5661)]