20836563

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{941}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 31070928

約数和(自身を除く): 10234365

約数列:

[1, 3, 11, 33, 61, 121, 183, 363, 671, 941, 2013, 2823, 7381, 10351, 22143, 31053, 57401, 113861, 172203, 341583, 631411, 1894233, 6945521, 20836563]

約数ペア:

[(1, 20836563), (3, 6945521), (11, 1894233), (33, 631411), (61, 341583), (121, 172203), (183, 113861), (363, 57401), (671, 31053), (941, 22143), (2013, 10351), (2823, 7381)]