20597938

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:694

約数の個数: 24

約数和(自身を含む): 33357312

約数和(自身を除く): 12759374

約数列:

[1, 2, 19, 38, 47, 94, 361, 607, 722, 893, 1214, 1786, 11533, 16967, 23066, 28529, 33934, 57058, 219127, 438254, 542051, 1084102, 10298969, 20597938]

約数ペア:

[(1, 20597938), (2, 10298969), (19, 1084102), (38, 542051), (47, 438254), (94, 219127), (361, 57058), (607, 33934), (722, 28529), (893, 23066), (1214, 16967), (1786, 11533)]