20996649

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3709}}^1$

素因数の和:3769

約数の個数: 24

約数和(自身を含む): 32989320

約数和(自身を除く): 11992671

約数列:

[1, 3, 9, 17, 37, 51, 111, 153, 333, 629, 1887, 3709, 5661, 11127, 33381, 63053, 137233, 189159, 411699, 567477, 1235097, 2332961, 6998883, 20996649]

約数ペア:

[(1, 20996649), (3, 6998883), (9, 2332961), (17, 1235097), (37, 567477), (51, 411699), (111, 189159), (153, 137233), (333, 63053), (629, 33381), (1887, 11127), (3709, 5661)]