20218496847

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{761}}^1\times {\mathrm{1217}}^1$

素因数の和:2383

約数の個数: 32

約数和(自身を含む): 28511723520

約数和(自身を除く): 8293226673

約数列:

[1, 3, 19, 57, 383, 761, 1149, 1217, 2283, 3651, 7277, 14459, 21831, 23123, 43377, 69369, 291463, 466111, 874389, 926137, 1398333, 2778411, 5537797, 8856109, 16613391, 17596603, 26568327, 52789809, 354710471, 1064131413, 6739498949, 20218496847]

約数ペア:

[(1, 20218496847), (3, 6739498949), (19, 1064131413), (57, 354710471), (383, 52789809), (761, 26568327), (1149, 17596603), (1217, 16613391), (2283, 8856109), (3651, 5537797), (7277, 2778411), (14459, 1398333), (21831, 926137), (23123, 874389), (43377, 466111), (69369, 291463)]