20215173861

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{961117}}^1$

素因数の和:961186

約数の個数: 32

約数和(自身を含む): 32293564800

約数和(自身を除く): 12078390939

約数列:

[1, 3, 9, 19, 27, 41, 57, 123, 171, 369, 513, 779, 1107, 2337, 7011, 21033, 961117, 2883351, 8650053, 18261223, 25950159, 39405797, 54783669, 118217391, 164351007, 354652173, 493053021, 748710143, 1063956519, 2246130429, 6738391287, 20215173861]

約数ペア:

[(1, 20215173861), (3, 6738391287), (9, 2246130429), (19, 1063956519), (27, 748710143), (41, 493053021), (57, 354652173), (123, 164351007), (171, 118217391), (369, 54783669), (513, 39405797), (779, 25950159), (1107, 18261223), (2337, 8650053), (7011, 2883351), (21033, 961117)]